Home / 619,217.09-928,958.94-192,743.85

Finding the Fourth Proportional to 619,217.09, 928,958.94 and 192,743.85

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Solution

The fourth proportional to 619,217.09, 928,958.94 and 192,743.85 is: 289,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,217.09 : 928,958.94 = 192,743.85 : x
  2. Step 2: Convert to fraction form
    619,217.09/928,958.94 = 192,743.85/x
  3. Step 3: Cross multiply
    619,217.09x = 928,958.94 × 192,743.85
  4. Step 4: Simplify right side
    619,217.09x = 179,051,122,587.52
  5. Step 5: Solve for x
    x = 179,051,122,587.52/619,217.09
  6. Step 6: Final answer
    x = 289,157.27

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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.