Home / 1,338,629.42-1,847,298.38-726,770.04

Finding the Fourth Proportional to 1,338,629.42, 1,847,298.38 and 726,770.04

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Solution

The fourth proportional to 1,338,629.42, 1,847,298.38 and 726,770.04 is: 1,002,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,629.42 : 1,847,298.38 = 726,770.04 : x
  2. Step 2: Convert to fraction form
    1,338,629.42/1,847,298.38 = 726,770.04/x
  3. Step 3: Cross multiply
    1,338,629.42x = 1,847,298.38 × 726,770.04
  4. Step 4: Simplify right side
    1,338,629.42x = 1,342,561,113,890.69
  5. Step 5: Solve for x
    x = 1,342,561,113,890.69/1,338,629.42
  6. Step 6: Final answer
    x = 1,002,937.11

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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.