Home / 428,586.20-591,463.33-237,588.20

Finding the Fourth Proportional to 428,586.20, 591,463.33 and 237,588.20

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Solution

The fourth proportional to 428,586.20, 591,463.33 and 237,588.20 is: 327,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,586.20 : 591,463.33 = 237,588.20 : x
  2. Step 2: Convert to fraction form
    428,586.20/591,463.33 = 237,588.20/x
  3. Step 3: Cross multiply
    428,586.20x = 591,463.33 × 237,588.20
  4. Step 4: Simplify right side
    428,586.20x = 140,524,704,983.39
  5. Step 5: Solve for x
    x = 140,524,704,983.39/428,586.20
  6. Step 6: Final answer
    x = 327,879.68

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1.5x scale

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.