Home / 396,452.08-594,544.83-143,679.65

Finding the Fourth Proportional to 396,452.08, 594,544.83 and 143,679.65

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Solution

The fourth proportional to 396,452.08, 594,544.83 and 143,679.65 is: 215,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,452.08 : 594,544.83 = 143,679.65 : x
  2. Step 2: Convert to fraction form
    396,452.08/594,544.83 = 143,679.65/x
  3. Step 3: Cross multiply
    396,452.08x = 594,544.83 × 143,679.65
  4. Step 4: Simplify right side
    396,452.08x = 85,423,990,110.99
  5. Step 5: Solve for x
    x = 85,423,990,110.99/396,452.08
  6. Step 6: Final answer
    x = 215,471.16

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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.