Home / 734,534.30-1,101,801.45-419,023.10

Finding the Fourth Proportional to 734,534.30, 1,101,801.45 and 419,023.10

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Solution

The fourth proportional to 734,534.30, 1,101,801.45 and 419,023.10 is: 628,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,534.30 : 1,101,801.45 = 419,023.10 : x
  2. Step 2: Convert to fraction form
    734,534.30/1,101,801.45 = 419,023.10/x
  3. Step 3: Cross multiply
    734,534.30x = 1,101,801.45 × 419,023.10
  4. Step 4: Simplify right side
    734,534.30x = 461,680,259,163.50
  5. Step 5: Solve for x
    x = 461,680,259,163.50/734,534.30
  6. Step 6: Final answer
    x = 628,534.65

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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.