Home / 1,269,734.82-1,752,228.90-696,784.56

Finding the Fourth Proportional to 1,269,734.82, 1,752,228.90 and 696,784.56

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Solution

The fourth proportional to 1,269,734.82, 1,752,228.90 and 696,784.56 is: 961,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,734.82 : 1,752,228.90 = 696,784.56 : x
  2. Step 2: Convert to fraction form
    1,269,734.82/1,752,228.90 = 696,784.56/x
  3. Step 3: Cross multiply
    1,269,734.82x = 1,752,228.90 × 696,784.56
  4. Step 4: Simplify right side
    1,269,734.82x = 1,220,926,043,105.78
  5. Step 5: Solve for x
    x = 1,220,926,043,105.78/1,269,734.82
  6. Step 6: Final answer
    x = 961,559.87

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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.