Home / 862,711.36-1,294,067.95-861,465.37

Finding the Fourth Proportional to 862,711.36, 1,294,067.95 and 861,465.37

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Solution

The fourth proportional to 862,711.36, 1,294,067.95 and 861,465.37 is: 1,292,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,711.36 : 1,294,067.95 = 861,465.37 : x
  2. Step 2: Convert to fraction form
    862,711.36/1,294,067.95 = 861,465.37/x
  3. Step 3: Cross multiply
    862,711.36x = 1,294,067.95 × 861,465.37
  4. Step 4: Simplify right side
    862,711.36x = 1,114,794,725,351.89
  5. Step 5: Solve for x
    x = 1,114,794,725,351.89/862,711.36
  6. Step 6: Final answer
    x = 1,292,198.96

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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.