Home / 396,620.03-594,803.68-130,318.76

Finding the Fourth Proportional to 396,620.03, 594,803.68 and 130,318.76

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Solution

The fourth proportional to 396,620.03, 594,803.68 and 130,318.76 is: 195,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,620.03 : 594,803.68 = 130,318.76 : x
  2. Step 2: Convert to fraction form
    396,620.03/594,803.68 = 130,318.76/x
  3. Step 3: Cross multiply
    396,620.03x = 594,803.68 × 130,318.76
  4. Step 4: Simplify right side
    396,620.03x = 77,514,078,021.04
  5. Step 5: Solve for x
    x = 77,514,078,021.04/396,620.03
  6. Step 6: Final answer
    x = 195,436.62

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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.