Home / 625,914.60-938,832.96-199,439.88

Finding the Fourth Proportional to 625,914.60, 938,832.96 and 199,439.88

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Solution

The fourth proportional to 625,914.60, 938,832.96 and 199,439.88 is: 299,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,914.60 : 938,832.96 = 199,439.88 : x
  2. Step 2: Convert to fraction form
    625,914.60/938,832.96 = 199,439.88/x
  3. Step 3: Cross multiply
    625,914.60x = 938,832.96 × 199,439.88
  4. Step 4: Simplify right side
    625,914.60x = 187,240,732,882.45
  5. Step 5: Solve for x
    x = 187,240,732,882.45/625,914.60
  6. Step 6: Final answer
    x = 299,147.41

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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.