Home / 391,467.27-587,200.95-95,979.27

Finding the Fourth Proportional to 391,467.27, 587,200.95 and 95,979.27

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Solution

The fourth proportional to 391,467.27, 587,200.95 and 95,979.27 is: 143,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,467.27 : 587,200.95 = 95,979.27 : x
  2. Step 2: Convert to fraction form
    391,467.27/587,200.95 = 95,979.27/x
  3. Step 3: Cross multiply
    391,467.27x = 587,200.95 × 95,979.27
  4. Step 4: Simplify right side
    391,467.27x = 56,359,118,524.31
  5. Step 5: Solve for x
    x = 56,359,118,524.31/391,467.27
  6. Step 6: Final answer
    x = 143,968.92

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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.