Finding the Fourth Proportional to 1,865,896.40, 2,799,190.20 and 603,765.20
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Solution
The fourth proportional to 1,865,896.40, 2,799,190.20 and 603,765.20 is: 905,759.63
Step by Step Solution
- Step 1: Write the proportion equation
1,865,896.40 : 2,799,190.20 = 603,765.20 : x - Step 2: Convert to fraction form
1,865,896.40/2,799,190.20 = 603,765.20/x - Step 3: Cross multiply
1,865,896.40x = 2,799,190.20 × 603,765.20 - Step 4: Simplify right side
1,865,896.40x = 1,690,053,630,941.04 - Step 5: Solve for x
x = 1,690,053,630,941.04/1,865,896.40 - Step 6: Final answer
x = 905,759.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.