Home / 1,321,163.64-1,981,512.18-522,179.64

Finding the Fourth Proportional to 1,321,163.64, 1,981,512.18 and 522,179.64

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Solution

The fourth proportional to 1,321,163.64, 1,981,512.18 and 522,179.64 is: 783,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,163.64 : 1,981,512.18 = 522,179.64 : x
  2. Step 2: Convert to fraction form
    1,321,163.64/1,981,512.18 = 522,179.64/x
  3. Step 3: Cross multiply
    1,321,163.64x = 1,981,512.18 × 522,179.64
  4. Step 4: Simplify right side
    1,321,163.64x = 1,034,705,316,808.02
  5. Step 5: Solve for x
    x = 1,034,705,316,808.02/1,321,163.64
  6. Step 6: Final answer
    x = 783,177.26

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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.