Home / 428,607.92-591,465.96-237,610.16

Finding the Fourth Proportional to 428,607.92, 591,465.96 and 237,610.16

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Solution

The fourth proportional to 428,607.92, 591,465.96 and 237,610.16 is: 327,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,607.92 : 591,465.96 = 237,610.16 : x
  2. Step 2: Convert to fraction form
    428,607.92/591,465.96 = 237,610.16/x
  3. Step 3: Cross multiply
    428,607.92x = 591,465.96 × 237,610.16
  4. Step 4: Simplify right side
    428,607.92x = 140,538,321,390.15
  5. Step 5: Solve for x
    x = 140,538,321,390.15/428,607.92
  6. Step 6: Final answer
    x = 327,894.83

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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.