Home / 570,949.57-856,156.10-331,131.58

Finding the Fourth Proportional to 570,949.57, 856,156.10 and 331,131.58

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Solution

The fourth proportional to 570,949.57, 856,156.10 and 331,131.58 is: 496,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,949.57 : 856,156.10 = 331,131.58 : x
  2. Step 2: Convert to fraction form
    570,949.57/856,156.10 = 331,131.58/x
  3. Step 3: Cross multiply
    570,949.57x = 856,156.10 × 331,131.58
  4. Step 4: Simplify right side
    570,949.57x = 283,500,320,463.98
  5. Step 5: Solve for x
    x = 283,500,320,463.98/570,949.57
  6. Step 6: Final answer
    x = 496,541.79

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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.