Home / 769,052.62-1,153,825.36-538,481.78

Finding the Fourth Proportional to 769,052.62, 1,153,825.36 and 538,481.78

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Solution

The fourth proportional to 769,052.62, 1,153,825.36 and 538,481.78 is: 807,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,052.62 : 1,153,825.36 = 538,481.78 : x
  2. Step 2: Convert to fraction form
    769,052.62/1,153,825.36 = 538,481.78/x
  3. Step 3: Cross multiply
    769,052.62x = 1,153,825.36 × 538,481.78
  4. Step 4: Simplify right side
    769,052.62x = 621,313,933,902.42
  5. Step 5: Solve for x
    x = 621,313,933,902.42/769,052.62
  6. Step 6: Final answer
    x = 807,895.22

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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.