Home / 331,948.80-497,923.20-225,660.60

Finding the Fourth Proportional to 331,948.80, 497,923.20 and 225,660.60

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Solution

The fourth proportional to 331,948.80, 497,923.20 and 225,660.60 is: 338,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,948.80 : 497,923.20 = 225,660.60 : x
  2. Step 2: Convert to fraction form
    331,948.80/497,923.20 = 225,660.60/x
  3. Step 3: Cross multiply
    331,948.80x = 497,923.20 × 225,660.60
  4. Step 4: Simplify right side
    331,948.80x = 112,361,648,065.92
  5. Step 5: Solve for x
    x = 112,361,648,065.92/331,948.80
  6. Step 6: Final answer
    x = 338,490.90

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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.