Home / 428,354.44-591,132.60-237,371.04

Finding the Fourth Proportional to 428,354.44, 591,132.60 and 237,371.04

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Solution

The fourth proportional to 428,354.44, 591,132.60 and 237,371.04 is: 327,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,354.44 : 591,132.60 = 237,371.04 : x
  2. Step 2: Convert to fraction form
    428,354.44/591,132.60 = 237,371.04/x
  3. Step 3: Cross multiply
    428,354.44x = 591,132.60 × 237,371.04
  4. Step 4: Simplify right side
    428,354.44x = 140,317,760,039.90
  5. Step 5: Solve for x
    x = 140,317,760,039.90/428,354.44
  6. Step 6: Final answer
    x = 327,573.96

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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.