Home / 657,105.44-985,764.48-257,529.52

Finding the Fourth Proportional to 657,105.44, 985,764.48 and 257,529.52

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Solution

The fourth proportional to 657,105.44, 985,764.48 and 257,529.52 is: 386,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,105.44 : 985,764.48 = 257,529.52 : x
  2. Step 2: Convert to fraction form
    657,105.44/985,764.48 = 257,529.52/x
  3. Step 3: Cross multiply
    657,105.44x = 985,764.48 × 257,529.52
  4. Step 4: Simplify right side
    657,105.44x = 253,863,453,367.45
  5. Step 5: Solve for x
    x = 253,863,453,367.45/657,105.44
  6. Step 6: Final answer
    x = 386,335.95

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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.