Home / 755,787.66-1,133,287.83-282,083.46

Finding the Fourth Proportional to 755,787.66, 1,133,287.83 and 282,083.46

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Solution

The fourth proportional to 755,787.66, 1,133,287.83 and 282,083.46 is: 422,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,787.66 : 1,133,287.83 = 282,083.46 : x
  2. Step 2: Convert to fraction form
    755,787.66/1,133,287.83 = 282,083.46/x
  3. Step 3: Cross multiply
    755,787.66x = 1,133,287.83 × 282,083.46
  4. Step 4: Simplify right side
    755,787.66x = 319,681,752,262.29
  5. Step 5: Solve for x
    x = 319,681,752,262.29/755,787.66
  6. Step 6: Final answer
    x = 422,978.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.