Home / 625,736.58-938,294.31-199,216.86

Finding the Fourth Proportional to 625,736.58, 938,294.31 and 199,216.86

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Solution

The fourth proportional to 625,736.58, 938,294.31 and 199,216.86 is: 298,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,736.58 : 938,294.31 = 199,216.86 : x
  2. Step 2: Convert to fraction form
    625,736.58/938,294.31 = 199,216.86/x
  3. Step 3: Cross multiply
    625,736.58x = 938,294.31 × 199,216.86
  4. Step 4: Simplify right side
    625,736.58x = 186,924,050,459.73
  5. Step 5: Solve for x
    x = 186,924,050,459.73/625,736.58
  6. Step 6: Final answer
    x = 298,726.42

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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.