Home / 635,819.20-953,690.17-225,508.84

Finding the Fourth Proportional to 635,819.20, 953,690.17 and 225,508.84

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Solution

The fourth proportional to 635,819.20, 953,690.17 and 225,508.84 is: 338,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,819.20 : 953,690.17 = 225,508.84 : x
  2. Step 2: Convert to fraction form
    635,819.20/953,690.17 = 225,508.84/x
  3. Step 3: Cross multiply
    635,819.20x = 953,690.17 × 225,508.84
  4. Step 4: Simplify right side
    635,819.20x = 215,065,558,060.11
  5. Step 5: Solve for x
    x = 215,065,558,060.11/635,819.20
  6. Step 6: Final answer
    x = 338,249.55

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1.5x scale

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.