Home / 1,269,777.92-1,752,314.82-696,871.40

Finding the Fourth Proportional to 1,269,777.92, 1,752,314.82 and 696,871.40

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Solution

The fourth proportional to 1,269,777.92, 1,752,314.82 and 696,871.40 is: 961,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,777.92 : 1,752,314.82 = 696,871.40 : x
  2. Step 2: Convert to fraction form
    1,269,777.92/1,752,314.82 = 696,871.40/x
  3. Step 3: Cross multiply
    1,269,777.92x = 1,752,314.82 × 696,871.40
  4. Step 4: Simplify right side
    1,269,777.92x = 1,221,138,081,854.15
  5. Step 5: Solve for x
    x = 1,221,138,081,854.15/1,269,777.92
  6. Step 6: Final answer
    x = 961,694.22

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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.