Home / 1,269,731.82-1,752,224.76-696,781.56

Finding the Fourth Proportional to 1,269,731.82, 1,752,224.76 and 696,781.56

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Solution

The fourth proportional to 1,269,731.82, 1,752,224.76 and 696,781.56 is: 961,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,731.82 : 1,752,224.76 = 696,781.56 : x
  2. Step 2: Convert to fraction form
    1,269,731.82/1,752,224.76 = 696,781.56/x
  3. Step 3: Cross multiply
    1,269,731.82x = 1,752,224.76 × 696,781.56
  4. Step 4: Simplify right side
    1,269,731.82x = 1,220,917,901,743.43
  5. Step 5: Solve for x
    x = 1,220,917,901,743.43/1,269,731.82
  6. Step 6: Final answer
    x = 961,555.73

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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.