Home / 428,548.34-591,356.94-237,545.48

Finding the Fourth Proportional to 428,548.34, 591,356.94 and 237,545.48

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Solution

The fourth proportional to 428,548.34, 591,356.94 and 237,545.48 is: 327,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,548.34 : 591,356.94 = 237,545.48 : x
  2. Step 2: Convert to fraction form
    428,548.34/591,356.94 = 237,545.48/x
  3. Step 3: Cross multiply
    428,548.34x = 591,356.94 × 237,545.48
  4. Step 4: Simplify right side
    428,548.34x = 140,474,165,206.85
  5. Step 5: Solve for x
    x = 140,474,165,206.85/428,548.34
  6. Step 6: Final answer
    x = 327,790.72

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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.