Home / 1,224,160.57-1,689,207.42-707,836.33

Finding the Fourth Proportional to 1,224,160.57, 1,689,207.42 and 707,836.33

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Solution

The fourth proportional to 1,224,160.57, 1,689,207.42 and 707,836.33 is: 976,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,160.57 : 1,689,207.42 = 707,836.33 : x
  2. Step 2: Convert to fraction form
    1,224,160.57/1,689,207.42 = 707,836.33/x
  3. Step 3: Cross multiply
    1,224,160.57x = 1,689,207.42 × 707,836.33
  4. Step 4: Simplify right side
    1,224,160.57x = 1,195,682,380,781.57
  5. Step 5: Solve for x
    x = 1,195,682,380,781.57/1,224,160.57
  6. Step 6: Final answer
    x = 976,736.56

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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.