Home / 485,127.06-664,626.47-466,945.56

Finding the Fourth Proportional to 485,127.06, 664,626.47 and 466,945.56

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Solution

The fourth proportional to 485,127.06, 664,626.47 and 466,945.56 is: 639,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,127.06 : 664,626.47 = 466,945.56 : x
  2. Step 2: Convert to fraction form
    485,127.06/664,626.47 = 466,945.56/x
  3. Step 3: Cross multiply
    485,127.06x = 664,626.47 × 466,945.56
  4. Step 4: Simplify right side
    485,127.06x = 310,344,379,224.97
  5. Step 5: Solve for x
    x = 310,344,379,224.97/485,127.06
  6. Step 6: Final answer
    x = 639,717.73

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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.