Finding the Fourth Proportional to 1,391,645.91, 2,087,873.46 and 582,412.17
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Solution
The fourth proportional to 1,391,645.91, 2,087,873.46 and 582,412.17 is: 873,787.58
Step by Step Solution
- Step 1: Write the proportion equation
1,391,645.91 : 2,087,873.46 = 582,412.17 : x - Step 2: Convert to fraction form
1,391,645.91/2,087,873.46 = 582,412.17/x - Step 3: Cross multiply
1,391,645.91x = 2,087,873.46 × 582,412.17 - Step 4: Simplify right side
1,391,645.91x = 1,216,002,912,524.01 - Step 5: Solve for x
x = 1,216,002,912,524.01/1,391,645.91 - Step 6: Final answer
x = 873,787.58
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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.