Home / 753,755.25-1,040,186.25-409,593.90

Finding the Fourth Proportional to 753,755.25, 1,040,186.25 and 409,593.90

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Solution

The fourth proportional to 753,755.25, 1,040,186.25 and 409,593.90 is: 565,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,755.25 : 1,040,186.25 = 409,593.90 : x
  2. Step 2: Convert to fraction form
    753,755.25/1,040,186.25 = 409,593.90/x
  3. Step 3: Cross multiply
    753,755.25x = 1,040,186.25 × 409,593.90
  4. Step 4: Simplify right side
    753,755.25x = 426,053,942,863.88
  5. Step 5: Solve for x
    x = 426,053,942,863.88/753,755.25
  6. Step 6: Final answer
    x = 565,241.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.