Home / 396,299.43-593,661.83-218,365.11

Finding the Fourth Proportional to 396,299.43, 593,661.83 and 218,365.11

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Solution

The fourth proportional to 396,299.43, 593,661.83 and 218,365.11 is: 327,113.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,299.43 : 593,661.83 = 218,365.11 : x
  2. Step 2: Convert to fraction form
    396,299.43/593,661.83 = 218,365.11/x
  3. Step 3: Cross multiply
    396,299.43x = 593,661.83 × 218,365.11
  4. Step 4: Simplify right side
    396,299.43x = 129,635,029,718.93
  5. Step 5: Solve for x
    x = 129,635,029,718.93/396,299.43
  6. Step 6: Final answer
    x = 327,113.84

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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.