Home / 458,515.57-687,552.03-192,204.58

Finding the Fourth Proportional to 458,515.57, 687,552.03 and 192,204.58

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Solution

The fourth proportional to 458,515.57, 687,552.03 and 192,204.58 is: 288,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,515.57 : 687,552.03 = 192,204.58 : x
  2. Step 2: Convert to fraction form
    458,515.57/687,552.03 = 192,204.58/x
  3. Step 3: Cross multiply
    458,515.57x = 687,552.03 × 192,204.58
  4. Step 4: Simplify right side
    458,515.57x = 132,150,649,154.30
  5. Step 5: Solve for x
    x = 132,150,649,154.30/458,515.57
  6. Step 6: Final answer
    x = 288,214.09

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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.