Home / 969,680.92-1,338,252.70-539,960.94

Finding the Fourth Proportional to 969,680.92, 1,338,252.70 and 539,960.94

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Solution

The fourth proportional to 969,680.92, 1,338,252.70 and 539,960.94 is: 745,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,680.92 : 1,338,252.70 = 539,960.94 : x
  2. Step 2: Convert to fraction form
    969,680.92/1,338,252.70 = 539,960.94/x
  3. Step 3: Cross multiply
    969,680.92x = 1,338,252.70 × 539,960.94
  4. Step 4: Simplify right side
    969,680.92x = 722,604,185,849.54
  5. Step 5: Solve for x
    x = 722,604,185,849.54/969,680.92
  6. Step 6: Final answer
    x = 745,197.90

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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.