Home / 516,941.46-775,412.64-161,983.16

Finding the Fourth Proportional to 516,941.46, 775,412.64 and 161,983.16

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Solution

The fourth proportional to 516,941.46, 775,412.64 and 161,983.16 is: 242,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,941.46 : 775,412.64 = 161,983.16 : x
  2. Step 2: Convert to fraction form
    516,941.46/775,412.64 = 161,983.16/x
  3. Step 3: Cross multiply
    516,941.46x = 775,412.64 × 161,983.16
  4. Step 4: Simplify right side
    516,941.46x = 125,603,789,731.14
  5. Step 5: Solve for x
    x = 125,603,789,731.14/516,941.46
  6. Step 6: Final answer
    x = 242,974.88

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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.