Finding the Fourth Proportional to 724,919.24, 1,000,360.87 and 402,650
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Solution
The fourth proportional to 724,919.24, 1,000,360.87 and 402,650 is: 555,641.62
Step by Step Solution
- Step 1: Write the proportion equation
724,919.24 : 1,000,360.87 = 402,650 : x - Step 2: Convert to fraction form
724,919.24/1,000,360.87 = 402,650/x - Step 3: Cross multiply
724,919.24x = 1,000,360.87 × 402,650 - Step 4: Simplify right side
724,919.24x = 402,795,304,305.50 - Step 5: Solve for x
x = 402,795,304,305.50/724,919.24 - Step 6: Final answer
x = 555,641.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.