Home / 534,515.20-800,217.60-324,044.80

Finding the Fourth Proportional to 534,515.20, 800,217.60 and 324,044.80

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Solution

The fourth proportional to 534,515.20, 800,217.60 and 324,044.80 is: 485,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,515.20 : 800,217.60 = 324,044.80 : x
  2. Step 2: Convert to fraction form
    534,515.20/800,217.60 = 324,044.80/x
  3. Step 3: Cross multiply
    534,515.20x = 800,217.60 × 324,044.80
  4. Step 4: Simplify right side
    534,515.20x = 259,306,352,148.48
  5. Step 5: Solve for x
    x = 259,306,352,148.48/534,515.20
  6. Step 6: Final answer
    x = 485,124.37

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1.5x scale

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.