Home / 738,049.40-1,107,074.10-472,110.20

Finding the Fourth Proportional to 738,049.40, 1,107,074.10 and 472,110.20

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Solution

The fourth proportional to 738,049.40, 1,107,074.10 and 472,110.20 is: 708,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,049.40 : 1,107,074.10 = 472,110.20 : x
  2. Step 2: Convert to fraction form
    738,049.40/1,107,074.10 = 472,110.20/x
  3. Step 3: Cross multiply
    738,049.40x = 1,107,074.10 × 472,110.20
  4. Step 4: Simplify right side
    738,049.40x = 522,660,974,765.82
  5. Step 5: Solve for x
    x = 522,660,974,765.82/738,049.40
  6. Step 6: Final answer
    x = 708,165.30

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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.