Home / 396,717.27-547,314.98-226,860.63

Finding the Fourth Proportional to 396,717.27, 547,314.98 and 226,860.63

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Solution

The fourth proportional to 396,717.27, 547,314.98 and 226,860.63 is: 312,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,717.27 : 547,314.98 = 226,860.63 : x
  2. Step 2: Convert to fraction form
    396,717.27/547,314.98 = 226,860.63/x
  3. Step 3: Cross multiply
    396,717.27x = 547,314.98 × 226,860.63
  4. Step 4: Simplify right side
    396,717.27x = 124,164,220,036.93
  5. Step 5: Solve for x
    x = 124,164,220,036.93/396,717.27
  6. Step 6: Final answer
    x = 312,979.11

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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.