Home / 827,469.20-1,241,203.85-266,503.70

Finding the Fourth Proportional to 827,469.20, 1,241,203.85 and 266,503.70

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Solution

The fourth proportional to 827,469.20, 1,241,203.85 and 266,503.70 is: 399,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,469.20 : 1,241,203.85 = 266,503.70 : x
  2. Step 2: Convert to fraction form
    827,469.20/1,241,203.85 = 266,503.70/x
  3. Step 3: Cross multiply
    827,469.20x = 1,241,203.85 × 266,503.70
  4. Step 4: Simplify right side
    827,469.20x = 330,785,410,940.71
  5. Step 5: Solve for x
    x = 330,785,410,940.71/827,469.20
  6. Step 6: Final answer
    x = 399,755.56

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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.