Home / 892,132.22-1,231,143.69-484,234.14

Finding the Fourth Proportional to 892,132.22, 1,231,143.69 and 484,234.14

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Solution

The fourth proportional to 892,132.22, 1,231,143.69 and 484,234.14 is: 668,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,132.22 : 1,231,143.69 = 484,234.14 : x
  2. Step 2: Convert to fraction form
    892,132.22/1,231,143.69 = 484,234.14/x
  3. Step 3: Cross multiply
    892,132.22x = 1,231,143.69 × 484,234.14
  4. Step 4: Simplify right side
    892,132.22x = 596,161,805,943.58
  5. Step 5: Solve for x
    x = 596,161,805,943.58/892,132.22
  6. Step 6: Final answer
    x = 668,243.78

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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.