Home / 449,202.14-619,912.52-255,637.61

Finding the Fourth Proportional to 449,202.14, 619,912.52 and 255,637.61

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Solution

The fourth proportional to 449,202.14, 619,912.52 and 255,637.61 is: 352,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,202.14 : 619,912.52 = 255,637.61 : x
  2. Step 2: Convert to fraction form
    449,202.14/619,912.52 = 255,637.61/x
  3. Step 3: Cross multiply
    449,202.14x = 619,912.52 × 255,637.61
  4. Step 4: Simplify right side
    449,202.14x = 158,472,955,021.88
  5. Step 5: Solve for x
    x = 158,472,955,021.88/449,202.14
  6. Step 6: Final answer
    x = 352,787.62

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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.