Home / 396,777.04-547,719.78-267,890.12

Finding the Fourth Proportional to 396,777.04, 547,719.78 and 267,890.12

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Solution

The fourth proportional to 396,777.04, 547,719.78 and 267,890.12 is: 369,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,777.04 : 547,719.78 = 267,890.12 : x
  2. Step 2: Convert to fraction form
    396,777.04/547,719.78 = 267,890.12/x
  3. Step 3: Cross multiply
    396,777.04x = 547,719.78 × 267,890.12
  4. Step 4: Simplify right side
    396,777.04x = 146,728,717,590.57
  5. Step 5: Solve for x
    x = 146,728,717,590.57/396,777.04
  6. Step 6: Final answer
    x = 369,801.43

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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.