Home / 534,934.20-802,401.30-239,446.20

Finding the Fourth Proportional to 534,934.20, 802,401.30 and 239,446.20

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Solution

The fourth proportional to 534,934.20, 802,401.30 and 239,446.20 is: 359,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,934.20 : 802,401.30 = 239,446.20 : x
  2. Step 2: Convert to fraction form
    534,934.20/802,401.30 = 239,446.20/x
  3. Step 3: Cross multiply
    534,934.20x = 802,401.30 × 239,446.20
  4. Step 4: Simplify right side
    534,934.20x = 192,131,942,160.06
  5. Step 5: Solve for x
    x = 192,131,942,160.06/534,934.20
  6. Step 6: Final answer
    x = 359,169.30

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Double scale
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Similar ratio
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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.