Home / 1,273,587.26-1,757,390.30-861,021.20

Finding the Fourth Proportional to 1,273,587.26, 1,757,390.30 and 861,021.20

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Solution

The fourth proportional to 1,273,587.26, 1,757,390.30 and 861,021.20 is: 1,188,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,587.26 : 1,757,390.30 = 861,021.20 : x
  2. Step 2: Convert to fraction form
    1,273,587.26/1,757,390.30 = 861,021.20/x
  3. Step 3: Cross multiply
    1,273,587.26x = 1,757,390.30 × 861,021.20
  4. Step 4: Simplify right side
    1,273,587.26x = 1,513,150,304,974.36
  5. Step 5: Solve for x
    x = 1,513,150,304,974.36/1,273,587.26
  6. Step 6: Final answer
    x = 1,188,101.01

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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.