Home / 428,819.24-591,775.16-237,844.92

Finding the Fourth Proportional to 428,819.24, 591,775.16 and 237,844.92

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Solution

The fourth proportional to 428,819.24, 591,775.16 and 237,844.92 is: 328,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,819.24 : 591,775.16 = 237,844.92 : x
  2. Step 2: Convert to fraction form
    428,819.24/591,775.16 = 237,844.92/x
  3. Step 3: Cross multiply
    428,819.24x = 591,775.16 × 237,844.92
  4. Step 4: Simplify right side
    428,819.24x = 140,750,714,398.96
  5. Step 5: Solve for x
    x = 140,750,714,398.96/428,819.24
  6. Step 6: Final answer
    x = 328,228.55

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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.