Home / 428,285.18-591,033.84-237,301.76

Finding the Fourth Proportional to 428,285.18, 591,033.84 and 237,301.76

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Solution

The fourth proportional to 428,285.18, 591,033.84 and 237,301.76 is: 327,476.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,285.18 : 591,033.84 = 237,301.76 : x
  2. Step 2: Convert to fraction form
    428,285.18/591,033.84 = 237,301.76/x
  3. Step 3: Cross multiply
    428,285.18x = 591,033.84 × 237,301.76
  4. Step 4: Simplify right side
    428,285.18x = 140,253,370,451.56
  5. Step 5: Solve for x
    x = 140,253,370,451.56/428,285.18
  6. Step 6: Final answer
    x = 327,476.59

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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.