Home / 827,022-1,141,723.82-556,512.24

Finding the Fourth Proportional to 827,022, 1,141,723.82 and 556,512.24

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Solution

The fourth proportional to 827,022, 1,141,723.82 and 556,512.24 is: 768,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,022 : 1,141,723.82 = 556,512.24 : x
  2. Step 2: Convert to fraction form
    827,022/1,141,723.82 = 556,512.24/x
  3. Step 3: Cross multiply
    827,022x = 1,141,723.82 × 556,512.24
  4. Step 4: Simplify right side
    827,022x = 635,383,280,529.56
  5. Step 5: Solve for x
    x = 635,383,280,529.56/827,022
  6. Step 6: Final answer
    x = 768,278.57

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Similar ratio
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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.