Home / 755,179.93-1,132,807.24-215,515.75

Finding the Fourth Proportional to 755,179.93, 1,132,807.24 and 215,515.75

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Solution

The fourth proportional to 755,179.93, 1,132,807.24 and 215,515.75 is: 323,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,179.93 : 1,132,807.24 = 215,515.75 : x
  2. Step 2: Convert to fraction form
    755,179.93/1,132,807.24 = 215,515.75/x
  3. Step 3: Cross multiply
    755,179.93x = 1,132,807.24 × 215,515.75
  4. Step 4: Simplify right side
    755,179.93x = 244,137,801,934.03
  5. Step 5: Solve for x
    x = 244,137,801,934.03/755,179.93
  6. Step 6: Final answer
    x = 323,284.28

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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.