Home / 453,961.78-626,279.25-270,163.60

Finding the Fourth Proportional to 453,961.78, 626,279.25 and 270,163.60

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Solution

The fourth proportional to 453,961.78, 626,279.25 and 270,163.60 is: 372,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,961.78 : 626,279.25 = 270,163.60 : x
  2. Step 2: Convert to fraction form
    453,961.78/626,279.25 = 270,163.60/x
  3. Step 3: Cross multiply
    453,961.78x = 626,279.25 × 270,163.60
  4. Step 4: Simplify right side
    453,961.78x = 169,197,856,785.30
  5. Step 5: Solve for x
    x = 169,197,856,785.30/453,961.78
  6. Step 6: Final answer
    x = 372,713.88

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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.