Finding the Fourth Proportional to 1,866,462.23, 2,799,691.76 and 518,624.19
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Solution
The fourth proportional to 1,866,462.23, 2,799,691.76 and 518,624.19 is: 777,935.84
Step by Step Solution
- Step 1: Write the proportion equation
1,866,462.23 : 2,799,691.76 = 518,624.19 : x - Step 2: Convert to fraction form
1,866,462.23/2,799,691.76 = 518,624.19/x - Step 3: Cross multiply
1,866,462.23x = 2,799,691.76 × 518,624.19 - Step 4: Simplify right side
1,866,462.23x = 1,451,987,872,576.24 - Step 5: Solve for x
x = 1,451,987,872,576.24/1,866,462.23 - Step 6: Final answer
x = 777,935.84
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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.