Home / 598,873.52-826,584.44-394,961.28

Finding the Fourth Proportional to 598,873.52, 826,584.44 and 394,961.28

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Solution

The fourth proportional to 598,873.52, 826,584.44 and 394,961.28 is: 545,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,873.52 : 826,584.44 = 394,961.28 : x
  2. Step 2: Convert to fraction form
    598,873.52/826,584.44 = 394,961.28/x
  3. Step 3: Cross multiply
    598,873.52x = 826,584.44 × 394,961.28
  4. Step 4: Simplify right side
    598,873.52x = 326,468,848,450.48
  5. Step 5: Solve for x
    x = 326,468,848,450.48/598,873.52
  6. Step 6: Final answer
    x = 545,138.23

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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.