Home / 862,249.54-1,189,815.18-531,052.69

Finding the Fourth Proportional to 862,249.54, 1,189,815.18 and 531,052.69

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Solution

The fourth proportional to 862,249.54, 1,189,815.18 and 531,052.69 is: 732,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,249.54 : 1,189,815.18 = 531,052.69 : x
  2. Step 2: Convert to fraction form
    862,249.54/1,189,815.18 = 531,052.69/x
  3. Step 3: Cross multiply
    862,249.54x = 1,189,815.18 × 531,052.69
  4. Step 4: Simplify right side
    862,249.54x = 631,854,551,941.83
  5. Step 5: Solve for x
    x = 631,854,551,941.83/862,249.54
  6. Step 6: Final answer
    x = 732,797.78

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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.