Home / 747,525.44-1,120,500.72-372,761.12

Finding the Fourth Proportional to 747,525.44, 1,120,500.72 and 372,761.12

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Solution

The fourth proportional to 747,525.44, 1,120,500.72 and 372,761.12 is: 558,749.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,525.44 : 1,120,500.72 = 372,761.12 : x
  2. Step 2: Convert to fraction form
    747,525.44/1,120,500.72 = 372,761.12/x
  3. Step 3: Cross multiply
    747,525.44x = 1,120,500.72 × 372,761.12
  4. Step 4: Simplify right side
    747,525.44x = 417,679,103,348.01
  5. Step 5: Solve for x
    x = 417,679,103,348.01/747,525.44
  6. Step 6: Final answer
    x = 558,749.02

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Half scale
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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.