Home / 969,934.66-1,338,551.37-540,214.90

Finding the Fourth Proportional to 969,934.66, 1,338,551.37 and 540,214.90

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Solution

The fourth proportional to 969,934.66, 1,338,551.37 and 540,214.90 is: 745,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,934.66 : 1,338,551.37 = 540,214.90 : x
  2. Step 2: Convert to fraction form
    969,934.66/1,338,551.37 = 540,214.90/x
  3. Step 3: Cross multiply
    969,934.66x = 1,338,551.37 × 540,214.90
  4. Step 4: Simplify right side
    969,934.66x = 723,105,394,489.41
  5. Step 5: Solve for x
    x = 723,105,394,489.41/969,934.66
  6. Step 6: Final answer
    x = 745,519.70

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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.