Finding the Fourth Proportional to 1,581,690.62, 2,182,734.20 and 856,539.12
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Solution
The fourth proportional to 1,581,690.62, 2,182,734.20 and 856,539.12 is: 1,182,024.61
Step by Step Solution
- Step 1: Write the proportion equation
1,581,690.62 : 2,182,734.20 = 856,539.12 : x - Step 2: Convert to fraction form
1,581,690.62/2,182,734.20 = 856,539.12/x - Step 3: Cross multiply
1,581,690.62x = 2,182,734.20 × 856,539.12 - Step 4: Simplify right side
1,581,690.62x = 1,869,597,230,861.90 - Step 5: Solve for x
x = 1,869,597,230,861.90/1,581,690.62 - Step 6: Final answer
x = 1,182,024.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.