Home / 861,730.51-1,189,251.33-616,738.27

Finding the Fourth Proportional to 861,730.51, 1,189,251.33 and 616,738.27

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Solution

The fourth proportional to 861,730.51, 1,189,251.33 and 616,738.27 is: 851,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,730.51 : 1,189,251.33 = 616,738.27 : x
  2. Step 2: Convert to fraction form
    861,730.51/1,189,251.33 = 616,738.27/x
  3. Step 3: Cross multiply
    861,730.51x = 1,189,251.33 × 616,738.27
  4. Step 4: Simplify right side
    861,730.51x = 733,456,807,859.40
  5. Step 5: Solve for x
    x = 733,456,807,859.40/861,730.51
  6. Step 6: Final answer
    x = 851,144.06

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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.