Finding the Fourth Proportional to 1,134,882.97, 1,566,117.09 and 618,641.62
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Solution
The fourth proportional to 1,134,882.97, 1,566,117.09 and 618,641.62 is: 853,713.76
Step by Step Solution
- Step 1: Write the proportion equation
1,134,882.97 : 1,566,117.09 = 618,641.62 : x - Step 2: Convert to fraction form
1,134,882.97/1,566,117.09 = 618,641.62/x - Step 3: Cross multiply
1,134,882.97x = 1,566,117.09 × 618,641.62 - Step 4: Simplify right side
1,134,882.97x = 968,865,209,751.99 - Step 5: Solve for x
x = 968,865,209,751.99/1,134,882.97 - Step 6: Final answer
x = 853,713.76
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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.