Home / 327,321.04-490,764.06-127,660.08

Finding the Fourth Proportional to 327,321.04, 490,764.06 and 127,660.08

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Solution

The fourth proportional to 327,321.04, 490,764.06 and 127,660.08 is: 191,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,321.04 : 490,764.06 = 127,660.08 : x
  2. Step 2: Convert to fraction form
    327,321.04/490,764.06 = 127,660.08/x
  3. Step 3: Cross multiply
    327,321.04x = 490,764.06 × 127,660.08
  4. Step 4: Simplify right side
    327,321.04x = 62,650,979,160.72
  5. Step 5: Solve for x
    x = 62,650,979,160.72/327,321.04
  6. Step 6: Final answer
    x = 191,405.29

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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.