Home / 397,781.38-596,487.06-144,885.80

Finding the Fourth Proportional to 397,781.38, 596,487.06 and 144,885.80

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Solution

The fourth proportional to 397,781.38, 596,487.06 and 144,885.80 is: 217,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,781.38 : 596,487.06 = 144,885.80 : x
  2. Step 2: Convert to fraction form
    397,781.38/596,487.06 = 144,885.80/x
  3. Step 3: Cross multiply
    397,781.38x = 596,487.06 × 144,885.80
  4. Step 4: Simplify right side
    397,781.38x = 86,422,504,877.75
  5. Step 5: Solve for x
    x = 86,422,504,877.75/397,781.38
  6. Step 6: Final answer
    x = 217,261.31

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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.