Home / 382,553.12-527,921.78-212,787.26

Finding the Fourth Proportional to 382,553.12, 527,921.78 and 212,787.26

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Solution

The fourth proportional to 382,553.12, 527,921.78 and 212,787.26 is: 293,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,553.12 : 527,921.78 = 212,787.26 : x
  2. Step 2: Convert to fraction form
    382,553.12/527,921.78 = 212,787.26/x
  3. Step 3: Cross multiply
    382,553.12x = 527,921.78 × 212,787.26
  4. Step 4: Simplify right side
    382,553.12x = 112,335,029,060.52
  5. Step 5: Solve for x
    x = 112,335,029,060.52/382,553.12
  6. Step 6: Final answer
    x = 293,645.57

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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.