Home / 1,239,920.16-1,711,896.73-756,765.38

Finding the Fourth Proportional to 1,239,920.16, 1,711,896.73 and 756,765.38

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Solution

The fourth proportional to 1,239,920.16, 1,711,896.73 and 756,765.38 is: 1,044,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,920.16 : 1,711,896.73 = 756,765.38 : x
  2. Step 2: Convert to fraction form
    1,239,920.16/1,711,896.73 = 756,765.38/x
  3. Step 3: Cross multiply
    1,239,920.16x = 1,711,896.73 × 756,765.38
  4. Step 4: Simplify right side
    1,239,920.16x = 1,295,504,181,787.04
  5. Step 5: Solve for x
    x = 1,295,504,181,787.04/1,239,920.16
  6. Step 6: Final answer
    x = 1,044,828.71

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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.