Finding the Fourth Proportional to 616,974.68, 923,792.34 and 403,209.92
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Solution
The fourth proportional to 616,974.68, 923,792.34 and 403,209.92 is: 603,723.70
Step by Step Solution
- Step 1: Write the proportion equation
616,974.68 : 923,792.34 = 403,209.92 : x - Step 2: Convert to fraction form
616,974.68/923,792.34 = 403,209.92/x - Step 3: Cross multiply
616,974.68x = 923,792.34 × 403,209.92 - Step 4: Simplify right side
616,974.68x = 372,482,235,508.01 - Step 5: Solve for x
x = 372,482,235,508.01/616,974.68 - Step 6: Final answer
x = 603,723.70
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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.