Home / 969,844.11-1,338,426.38-540,124.24

Finding the Fourth Proportional to 969,844.11, 1,338,426.38 and 540,124.24

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Solution

The fourth proportional to 969,844.11, 1,338,426.38 and 540,124.24 is: 745,394.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,844.11 : 1,338,426.38 = 540,124.24 : x
  2. Step 2: Convert to fraction form
    969,844.11/1,338,426.38 = 540,124.24/x
  3. Step 3: Cross multiply
    969,844.11x = 1,338,426.38 × 540,124.24
  4. Step 4: Simplify right side
    969,844.11x = 722,916,521,900.70
  5. Step 5: Solve for x
    x = 722,916,521,900.70/969,844.11
  6. Step 6: Final answer
    x = 745,394.56

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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.