Home / 396,865.23-547,455.88-251,404.62

Finding the Fourth Proportional to 396,865.23, 547,455.88 and 251,404.62

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Solution

The fourth proportional to 396,865.23, 547,455.88 and 251,404.62 is: 346,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,865.23 : 547,455.88 = 251,404.62 : x
  2. Step 2: Convert to fraction form
    396,865.23/547,455.88 = 251,404.62/x
  3. Step 3: Cross multiply
    396,865.23x = 547,455.88 × 251,404.62
  4. Step 4: Simplify right side
    396,865.23x = 137,632,937,478.17
  5. Step 5: Solve for x
    x = 137,632,937,478.17/396,865.23
  6. Step 6: Final answer
    x = 346,800.19

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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.