Home / 428,546.58-591,354.54-237,543.72

Finding the Fourth Proportional to 428,546.58, 591,354.54 and 237,543.72

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Solution

The fourth proportional to 428,546.58, 591,354.54 and 237,543.72 is: 327,788.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,546.58 : 591,354.54 = 237,543.72 : x
  2. Step 2: Convert to fraction form
    428,546.58/591,354.54 = 237,543.72/x
  3. Step 3: Cross multiply
    428,546.58x = 591,354.54 × 237,543.72
  4. Step 4: Simplify right side
    428,546.58x = 140,472,557,270.49
  5. Step 5: Solve for x
    x = 140,472,557,270.49/428,546.58
  6. Step 6: Final answer
    x = 327,788.31

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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.