Home / 904,421.46-1,248,116.24-496,560.90

Finding the Fourth Proportional to 904,421.46, 1,248,116.24 and 496,560.90

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Solution

The fourth proportional to 904,421.46, 1,248,116.24 and 496,560.90 is: 685,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,421.46 : 1,248,116.24 = 496,560.90 : x
  2. Step 2: Convert to fraction form
    904,421.46/1,248,116.24 = 496,560.90/x
  3. Step 3: Cross multiply
    904,421.46x = 1,248,116.24 × 496,560.90
  4. Step 4: Simplify right side
    904,421.46x = 619,765,723,439.02
  5. Step 5: Solve for x
    x = 619,765,723,439.02/904,421.46
  6. Step 6: Final answer
    x = 685,262.07

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.