Home / 619,945.92-928,503.09-295,961.91

Finding the Fourth Proportional to 619,945.92, 928,503.09 and 295,961.91

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Solution

The fourth proportional to 619,945.92, 928,503.09 and 295,961.91 is: 443,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,945.92 : 928,503.09 = 295,961.91 : x
  2. Step 2: Convert to fraction form
    619,945.92/928,503.09 = 295,961.91/x
  3. Step 3: Cross multiply
    619,945.92x = 928,503.09 × 295,961.91
  4. Step 4: Simplify right side
    619,945.92x = 274,801,545,316.86
  5. Step 5: Solve for x
    x = 274,801,545,316.86/619,945.92
  6. Step 6: Final answer
    x = 443,266.97

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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.