Home / 720,844.11-1,086,132.04-597,234.87

Finding the Fourth Proportional to 720,844.11, 1,086,132.04 and 597,234.87

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Solution

The fourth proportional to 720,844.11, 1,086,132.04 and 597,234.87 is: 899,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,844.11 : 1,086,132.04 = 597,234.87 : x
  2. Step 2: Convert to fraction form
    720,844.11/1,086,132.04 = 597,234.87/x
  3. Step 3: Cross multiply
    720,844.11x = 1,086,132.04 × 597,234.87
  4. Step 4: Simplify right side
    720,844.11x = 648,675,926,219.15
  5. Step 5: Solve for x
    x = 648,675,926,219.15/720,844.11
  6. Step 6: Final answer
    x = 899,883.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.