Home / 827,179.80-1,240,769.70-543,744.60

Finding the Fourth Proportional to 827,179.80, 1,240,769.70 and 543,744.60

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Solution

The fourth proportional to 827,179.80, 1,240,769.70 and 543,744.60 is: 815,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,179.80 : 1,240,769.70 = 543,744.60 : x
  2. Step 2: Convert to fraction form
    827,179.80/1,240,769.70 = 543,744.60/x
  3. Step 3: Cross multiply
    827,179.80x = 1,240,769.70 × 543,744.60
  4. Step 4: Simplify right side
    827,179.80x = 674,661,824,218.62
  5. Step 5: Solve for x
    x = 674,661,824,218.62/827,179.80
  6. Step 6: Final answer
    x = 815,616.90

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Similar ratio
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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.