Home / 1,065,517.43-1,597,279.68-391,417.73

Finding the Fourth Proportional to 1,065,517.43, 1,597,279.68 and 391,417.73

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Solution

The fourth proportional to 1,065,517.43, 1,597,279.68 and 391,417.73 is: 586,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,517.43 : 1,597,279.68 = 391,417.73 : x
  2. Step 2: Convert to fraction form
    1,065,517.43/1,597,279.68 = 391,417.73/x
  3. Step 3: Cross multiply
    1,065,517.43x = 1,597,279.68 × 391,417.73
  4. Step 4: Simplify right side
    1,065,517.43x = 625,203,578,534.33
  5. Step 5: Solve for x
    x = 625,203,578,534.33/1,065,517.43
  6. Step 6: Final answer
    x = 586,760.54

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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.