Home / 485,126.06-664,625.10-466,944.56

Finding the Fourth Proportional to 485,126.06, 664,625.10 and 466,944.56

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Solution

The fourth proportional to 485,126.06, 664,625.10 and 466,944.56 is: 639,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,126.06 : 664,625.10 = 466,944.56 : x
  2. Step 2: Convert to fraction form
    485,126.06/664,625.10 = 466,944.56/x
  3. Step 3: Cross multiply
    485,126.06x = 664,625.10 × 466,944.56
  4. Step 4: Simplify right side
    485,126.06x = 310,343,074,884.46
  5. Step 5: Solve for x
    x = 310,343,074,884.46/485,126.06
  6. Step 6: Final answer
    x = 639,716.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.