Use the following four numbers to make up the proportion and see how many? 1.6, 1 / 5, 0.8, six and two fifths

Use the following four numbers to make up the proportion and see how many? 1.6, 1 / 5, 0.8, six and two fifths

1.6: six and two fifths = 1 / 5: 0.8
Six and two fifths: 1.6 = 0.8:1 / 5
1.6:1 / 5 = six and two fifths: 0.8
1 / 5: 1.6 = 0.8: six and two fifths