Finding the Fourth Proportional to 1,092,176.70, 1,638,265.05 and 613,879.80
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Solution
The fourth proportional to 1,092,176.70, 1,638,265.05 and 613,879.80 is: 920,819.70
Step by Step Solution
- Step 1: Write the proportion equation
1,092,176.70 : 1,638,265.05 = 613,879.80 : x - Step 2: Convert to fraction form
1,092,176.70/1,638,265.05 = 613,879.80/x - Step 3: Cross multiply
1,092,176.70x = 1,638,265.05 × 613,879.80 - Step 4: Simplify right side
1,092,176.70x = 1,005,697,821,240.99 - Step 5: Solve for x
x = 1,005,697,821,240.99/1,092,176.70 - Step 6: Final answer
x = 920,819.70
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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.