Home / 1,065,456.72-1,597,633.20-391,363.92

Finding the Fourth Proportional to 1,065,456.72, 1,597,633.20 and 391,363.92

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Solution

The fourth proportional to 1,065,456.72, 1,597,633.20 and 391,363.92 is: 586,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,456.72 : 1,597,633.20 = 391,363.92 : x
  2. Step 2: Convert to fraction form
    1,065,456.72/1,597,633.20 = 391,363.92/x
  3. Step 3: Cross multiply
    1,065,456.72x = 1,597,633.20 × 391,363.92
  4. Step 4: Simplify right side
    1,065,456.72x = 625,255,991,874.14
  5. Step 5: Solve for x
    x = 625,255,991,874.14/1,065,456.72
  6. Step 6: Final answer
    x = 586,843.16

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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.