Home / 625,514.20-938,732.10-251,805.40

Finding the Fourth Proportional to 625,514.20, 938,732.10 and 251,805.40

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Solution

The fourth proportional to 625,514.20, 938,732.10 and 251,805.40 is: 377,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,514.20 : 938,732.10 = 251,805.40 : x
  2. Step 2: Convert to fraction form
    625,514.20/938,732.10 = 251,805.40/x
  3. Step 3: Cross multiply
    625,514.20x = 938,732.10 × 251,805.40
  4. Step 4: Simplify right side
    625,514.20x = 236,377,811,933.34
  5. Step 5: Solve for x
    x = 236,377,811,933.34/625,514.20
  6. Step 6: Final answer
    x = 377,893.60

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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.