Home / 484,023.32-667,854.30-282,780.44

Finding the Fourth Proportional to 484,023.32, 667,854.30 and 282,780.44

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Solution

The fourth proportional to 484,023.32, 667,854.30 and 282,780.44 is: 390,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,023.32 : 667,854.30 = 282,780.44 : x
  2. Step 2: Convert to fraction form
    484,023.32/667,854.30 = 282,780.44/x
  3. Step 3: Cross multiply
    484,023.32x = 667,854.30 × 282,780.44
  4. Step 4: Simplify right side
    484,023.32x = 188,856,132,809.89
  5. Step 5: Solve for x
    x = 188,856,132,809.89/484,023.32
  6. Step 6: Final answer
    x = 390,179.82

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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.