Home / 327,033.20-489,383.40-226,722.80

Finding the Fourth Proportional to 327,033.20, 489,383.40 and 226,722.80

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Solution

The fourth proportional to 327,033.20, 489,383.40 and 226,722.80 is: 339,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,033.20 : 489,383.40 = 226,722.80 : x
  2. Step 2: Convert to fraction form
    327,033.20/489,383.40 = 226,722.80/x
  3. Step 3: Cross multiply
    327,033.20x = 489,383.40 × 226,722.80
  4. Step 4: Simplify right side
    327,033.20x = 110,954,374,721.52
  5. Step 5: Solve for x
    x = 110,954,374,721.52/327,033.20
  6. Step 6: Final answer
    x = 339,275.57

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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.