Home / 396,916.17-547,791.27-235,771.86

Finding the Fourth Proportional to 396,916.17, 547,791.27 and 235,771.86

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Solution

The fourth proportional to 396,916.17, 547,791.27 and 235,771.86 is: 325,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,916.17 : 547,791.27 = 235,771.86 : x
  2. Step 2: Convert to fraction form
    396,916.17/547,791.27 = 235,771.86/x
  3. Step 3: Cross multiply
    396,916.17x = 547,791.27 × 235,771.86
  4. Step 4: Simplify right side
    396,916.17x = 129,153,766,619.66
  5. Step 5: Solve for x
    x = 129,153,766,619.66/396,916.17
  6. Step 6: Final answer
    x = 325,393.06

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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.