Home / 484,021.32-667,851.54-282,778.44

Finding the Fourth Proportional to 484,021.32, 667,851.54 and 282,778.44

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Solution

The fourth proportional to 484,021.32, 667,851.54 and 282,778.44 is: 390,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,021.32 : 667,851.54 = 282,778.44 : x
  2. Step 2: Convert to fraction form
    484,021.32/667,851.54 = 282,778.44/x
  3. Step 3: Cross multiply
    484,021.32x = 667,851.54 × 282,778.44
  4. Step 4: Simplify right side
    484,021.32x = 188,854,016,632.80
  5. Step 5: Solve for x
    x = 188,854,016,632.80/484,021.32
  6. Step 6: Final answer
    x = 390,177.06

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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.