Finding the Fourth Proportional to 1,117,089.53, 1,541,537.49 and 607,793.93
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Solution
The fourth proportional to 1,117,089.53, 1,541,537.49 and 607,793.93 is: 838,730.56
Step by Step Solution
- Step 1: Write the proportion equation
1,117,089.53 : 1,541,537.49 = 607,793.93 : x - Step 2: Convert to fraction form
1,117,089.53/1,541,537.49 = 607,793.93/x - Step 3: Cross multiply
1,117,089.53x = 1,541,537.49 × 607,793.93 - Step 4: Simplify right side
1,117,089.53x = 936,937,121,581.75 - Step 5: Solve for x
x = 936,937,121,581.75/1,117,089.53 - Step 6: Final answer
x = 838,730.56
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1.5x scale
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.