Home / 969,934.14-1,338,458.31-540,206.46

Finding the Fourth Proportional to 969,934.14, 1,338,458.31 and 540,206.46

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Solution

The fourth proportional to 969,934.14, 1,338,458.31 and 540,206.46 is: 745,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,934.14 : 1,338,458.31 = 540,206.46 : x
  2. Step 2: Convert to fraction form
    969,934.14/1,338,458.31 = 540,206.46/x
  3. Step 3: Cross multiply
    969,934.14x = 1,338,458.31 × 540,206.46
  4. Step 4: Simplify right side
    969,934.14x = 723,043,825,502.68
  5. Step 5: Solve for x
    x = 723,043,825,502.68/969,934.14
  6. Step 6: Final answer
    x = 745,456.62

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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.