Finding the Fourth Proportional to 1,134,882.09, 1,566,124.54 and 618,624.68
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Solution
The fourth proportional to 1,134,882.09, 1,566,124.54 and 618,624.68 is: 853,695.11
Step by Step Solution
- Step 1: Write the proportion equation
1,134,882.09 : 1,566,124.54 = 618,624.68 : x - Step 2: Convert to fraction form
1,134,882.09/1,566,124.54 = 618,624.68/x - Step 3: Cross multiply
1,134,882.09x = 1,566,124.54 × 618,624.68 - Step 4: Simplify right side
1,134,882.09x = 968,843,292,138.23 - Step 5: Solve for x
x = 968,843,292,138.23/1,134,882.09 - Step 6: Final answer
x = 853,695.11
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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.