Home / 734,538.30-1,101,807.45-419,027.10

Finding the Fourth Proportional to 734,538.30, 1,101,807.45 and 419,027.10

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Solution

The fourth proportional to 734,538.30, 1,101,807.45 and 419,027.10 is: 628,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,538.30 : 1,101,807.45 = 419,027.10 : x
  2. Step 2: Convert to fraction form
    734,538.30/1,101,807.45 = 419,027.10/x
  3. Step 3: Cross multiply
    734,538.30x = 1,101,807.45 × 419,027.10
  4. Step 4: Simplify right side
    734,538.30x = 461,687,180,531.90
  5. Step 5: Solve for x
    x = 461,687,180,531.90/734,538.30
  6. Step 6: Final answer
    x = 628,540.65

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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.