Home / 396,286.20-593,414.37-218,595.69

Finding the Fourth Proportional to 396,286.20, 593,414.37 and 218,595.69

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Solution

The fourth proportional to 396,286.20, 593,414.37 and 218,595.69 is: 327,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,286.20 : 593,414.37 = 218,595.69 : x
  2. Step 2: Convert to fraction form
    396,286.20/593,414.37 = 218,595.69/x
  3. Step 3: Cross multiply
    396,286.20x = 593,414.37 × 218,595.69
  4. Step 4: Simplify right side
    396,286.20x = 129,717,823,666.07
  5. Step 5: Solve for x
    x = 129,717,823,666.07/396,286.20
  6. Step 6: Final answer
    x = 327,333.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.