Home / 1,272,660.33-1,756,305.89-691,922.53

Finding the Fourth Proportional to 1,272,660.33, 1,756,305.89 and 691,922.53

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Solution

The fourth proportional to 1,272,660.33, 1,756,305.89 and 691,922.53 is: 954,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,660.33 : 1,756,305.89 = 691,922.53 : x
  2. Step 2: Convert to fraction form
    1,272,660.33/1,756,305.89 = 691,922.53/x
  3. Step 3: Cross multiply
    1,272,660.33x = 1,756,305.89 × 691,922.53
  4. Step 4: Simplify right side
    1,272,660.33x = 1,215,227,613,199.60
  5. Step 5: Solve for x
    x = 1,215,227,613,199.60/1,272,660.33
  6. Step 6: Final answer
    x = 954,871.92

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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.