Home / 534,049.60-800,815.20-297,140.80

Finding the Fourth Proportional to 534,049.60, 800,815.20 and 297,140.80

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Solution

The fourth proportional to 534,049.60, 800,815.20 and 297,140.80 is: 445,566.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,049.60 : 800,815.20 = 297,140.80 : x
  2. Step 2: Convert to fraction form
    534,049.60/800,815.20 = 297,140.80/x
  3. Step 3: Cross multiply
    534,049.60x = 800,815.20 × 297,140.80
  4. Step 4: Simplify right side
    534,049.60x = 237,954,869,180.16
  5. Step 5: Solve for x
    x = 237,954,869,180.16/534,049.60
  6. Step 6: Final answer
    x = 445,566.98

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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.