Home / 403,891.30-557,194.76-240,456.33

Finding the Fourth Proportional to 403,891.30, 557,194.76 and 240,456.33

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Solution

The fourth proportional to 403,891.30, 557,194.76 and 240,456.33 is: 331,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,891.30 : 557,194.76 = 240,456.33 : x
  2. Step 2: Convert to fraction form
    403,891.30/557,194.76 = 240,456.33/x
  3. Step 3: Cross multiply
    403,891.30x = 557,194.76 × 240,456.33
  4. Step 4: Simplify right side
    403,891.30x = 133,981,007,084.83
  5. Step 5: Solve for x
    x = 133,981,007,084.83/403,891.30
  6. Step 6: Final answer
    x = 331,725.41

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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.