Home / 1,294,327.76-1,786,233.14-721,372.04

Finding the Fourth Proportional to 1,294,327.76, 1,786,233.14 and 721,372.04

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Solution

The fourth proportional to 1,294,327.76, 1,786,233.14 and 721,372.04 is: 995,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,327.76 : 1,786,233.14 = 721,372.04 : x
  2. Step 2: Convert to fraction form
    1,294,327.76/1,786,233.14 = 721,372.04/x
  3. Step 3: Cross multiply
    1,294,327.76x = 1,786,233.14 × 721,372.04
  4. Step 4: Simplify right side
    1,294,327.76x = 1,288,538,644,117.41
  5. Step 5: Solve for x
    x = 1,288,538,644,117.41/1,294,327.76
  6. Step 6: Final answer
    x = 995,527.32

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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.