Home / 756,236.70-1,134,355.05-401,067.90

Finding the Fourth Proportional to 756,236.70, 1,134,355.05 and 401,067.90

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Solution

The fourth proportional to 756,236.70, 1,134,355.05 and 401,067.90 is: 601,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,236.70 : 1,134,355.05 = 401,067.90 : x
  2. Step 2: Convert to fraction form
    756,236.70/1,134,355.05 = 401,067.90/x
  3. Step 3: Cross multiply
    756,236.70x = 1,134,355.05 × 401,067.90
  4. Step 4: Simplify right side
    756,236.70x = 454,953,397,757.90
  5. Step 5: Solve for x
    x = 454,953,397,757.90/756,236.70
  6. Step 6: Final answer
    x = 601,601.85

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Double scale
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Similar ratio
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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.