Home / 396,914.67-547,789.19-235,770.35

Finding the Fourth Proportional to 396,914.67, 547,789.19 and 235,770.35

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Solution

The fourth proportional to 396,914.67, 547,789.19 and 235,770.35 is: 325,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,914.67 : 547,789.19 = 235,770.35 : x
  2. Step 2: Convert to fraction form
    396,914.67/547,789.19 = 235,770.35/x
  3. Step 3: Cross multiply
    396,914.67x = 547,789.19 × 235,770.35
  4. Step 4: Simplify right side
    396,914.67x = 129,152,445,134.72
  5. Step 5: Solve for x
    x = 129,152,445,134.72/396,914.67
  6. Step 6: Final answer
    x = 325,390.96

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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.