Home / 762,824.72-1,052,747.28-423,292.97

Finding the Fourth Proportional to 762,824.72, 1,052,747.28 and 423,292.97

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Solution

The fourth proportional to 762,824.72, 1,052,747.28 and 423,292.97 is: 584,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,824.72 : 1,052,747.28 = 423,292.97 : x
  2. Step 2: Convert to fraction form
    762,824.72/1,052,747.28 = 423,292.97/x
  3. Step 3: Cross multiply
    762,824.72x = 1,052,747.28 × 423,292.97
  4. Step 4: Simplify right side
    762,824.72x = 445,620,522,810.62
  5. Step 5: Solve for x
    x = 445,620,522,810.62/762,824.72
  6. Step 6: Final answer
    x = 584,171.58

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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.