Home / 754,249.32-1,131,373.46-221,774.76

Finding the Fourth Proportional to 754,249.32, 1,131,373.46 and 221,774.76

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Solution

The fourth proportional to 754,249.32, 1,131,373.46 and 221,774.76 is: 332,661.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,249.32 : 1,131,373.46 = 221,774.76 : x
  2. Step 2: Convert to fraction form
    754,249.32/1,131,373.46 = 221,774.76/x
  3. Step 3: Cross multiply
    754,249.32x = 1,131,373.46 × 221,774.76
  4. Step 4: Simplify right side
    754,249.32x = 250,910,077,561.87
  5. Step 5: Solve for x
    x = 250,910,077,561.87/754,249.32
  6. Step 6: Final answer
    x = 332,661.99

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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.