Home / 1,203,995.52-1,661,516.16-667,451.52

Finding the Fourth Proportional to 1,203,995.52, 1,661,516.16 and 667,451.52

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Solution

The fourth proportional to 1,203,995.52, 1,661,516.16 and 667,451.52 is: 921,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,995.52 : 1,661,516.16 = 667,451.52 : x
  2. Step 2: Convert to fraction form
    1,203,995.52/1,661,516.16 = 667,451.52/x
  3. Step 3: Cross multiply
    1,203,995.52x = 1,661,516.16 × 667,451.52
  4. Step 4: Simplify right side
    1,203,995.52x = 1,108,981,486,496.56
  5. Step 5: Solve for x
    x = 1,108,981,486,496.56/1,203,995.52
  6. Step 6: Final answer
    x = 921,084.40

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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.