Home / 619,135.80-928,795.97-219,743.13

Finding the Fourth Proportional to 619,135.80, 928,795.97 and 219,743.13

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Solution

The fourth proportional to 619,135.80, 928,795.97 and 219,743.13 is: 329,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,135.80 : 928,795.97 = 219,743.13 : x
  2. Step 2: Convert to fraction form
    619,135.80/928,795.97 = 219,743.13/x
  3. Step 3: Cross multiply
    619,135.80x = 928,795.97 × 219,743.13
  4. Step 4: Simplify right side
    619,135.80x = 204,096,530,645.56
  5. Step 5: Solve for x
    x = 204,096,530,645.56/619,135.80
  6. Step 6: Final answer
    x = 329,647.44

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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.