Answer:
- 244,000
 - 390,400
 - 585,600
 
Explanation:
The total number of parts is 5+8+12 = 25, so the fractions are ...
 5/25 × 1,220,000 = 244,000
 8/25 × 1,220,000 = 390,400
 12/25 × 1,220,000 = 585,600
Least to greatest, the parts are ...
- 244,000
 - 390,400
 - 585,600