Home / 1,332,881.96-1,839,371.55-721,033.22

Finding the Fourth Proportional to 1,332,881.96, 1,839,371.55 and 721,033.22

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Solution

The fourth proportional to 1,332,881.96, 1,839,371.55 and 721,033.22 is: 995,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,881.96 : 1,839,371.55 = 721,033.22 : x
  2. Step 2: Convert to fraction form
    1,332,881.96/1,839,371.55 = 721,033.22/x
  3. Step 3: Cross multiply
    1,332,881.96x = 1,839,371.55 × 721,033.22
  4. Step 4: Simplify right side
    1,332,881.96x = 1,326,247,982,276.03
  5. Step 5: Solve for x
    x = 1,326,247,982,276.03/1,332,881.96
  6. Step 6: Final answer
    x = 995,022.84

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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.