Home / 625,540.20-863,337.68-396,118.44

Finding the Fourth Proportional to 625,540.20, 863,337.68 and 396,118.44

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Solution

The fourth proportional to 625,540.20, 863,337.68 and 396,118.44 is: 546,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,540.20 : 863,337.68 = 396,118.44 : x
  2. Step 2: Convert to fraction form
    625,540.20/863,337.68 = 396,118.44/x
  3. Step 3: Cross multiply
    625,540.20x = 863,337.68 × 396,118.44
  4. Step 4: Simplify right side
    625,540.20x = 341,983,974,994.82
  5. Step 5: Solve for x
    x = 341,983,974,994.82/625,540.20
  6. Step 6: Final answer
    x = 546,701.83

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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.