Home / 327,928.54-490,781.80-201,648.77

Finding the Fourth Proportional to 327,928.54, 490,781.80 and 201,648.77

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Solution

The fourth proportional to 327,928.54, 490,781.80 and 201,648.77 is: 301,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,928.54 : 490,781.80 = 201,648.77 : x
  2. Step 2: Convert to fraction form
    327,928.54/490,781.80 = 201,648.77/x
  3. Step 3: Cross multiply
    327,928.54x = 490,781.80 × 201,648.77
  4. Step 4: Simplify right side
    327,928.54x = 98,965,546,308.39
  5. Step 5: Solve for x
    x = 98,965,546,308.39/327,928.54
  6. Step 6: Final answer
    x = 301,789.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.