Home / 914,774.12-1,372,164.15-231,660.59

Finding the Fourth Proportional to 914,774.12, 1,372,164.15 and 231,660.59

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Solution

The fourth proportional to 914,774.12, 1,372,164.15 and 231,660.59 is: 347,491.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,774.12 : 1,372,164.15 = 231,660.59 : x
  2. Step 2: Convert to fraction form
    914,774.12/1,372,164.15 = 231,660.59/x
  3. Step 3: Cross multiply
    914,774.12x = 1,372,164.15 × 231,660.59
  4. Step 4: Simplify right side
    914,774.12x = 317,876,356,565.85
  5. Step 5: Solve for x
    x = 317,876,356,565.85/914,774.12
  6. Step 6: Final answer
    x = 347,491.64

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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.