Home / 502,226.12-693,077.09-272,787.90

Finding the Fourth Proportional to 502,226.12, 693,077.09 and 272,787.90

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Solution

The fourth proportional to 502,226.12, 693,077.09 and 272,787.90 is: 376,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,226.12 : 693,077.09 = 272,787.90 : x
  2. Step 2: Convert to fraction form
    502,226.12/693,077.09 = 272,787.90/x
  3. Step 3: Cross multiply
    502,226.12x = 693,077.09 × 272,787.90
  4. Step 4: Simplify right side
    502,226.12x = 189,063,042,555.27
  5. Step 5: Solve for x
    x = 189,063,042,555.27/502,226.12
  6. Step 6: Final answer
    x = 376,450.04

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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.