Home / 636,981.38-955,619.69-216,257.25

Finding the Fourth Proportional to 636,981.38, 955,619.69 and 216,257.25

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Solution

The fourth proportional to 636,981.38, 955,619.69 and 216,257.25 is: 324,435.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,981.38 : 955,619.69 = 216,257.25 : x
  2. Step 2: Convert to fraction form
    636,981.38/955,619.69 = 216,257.25/x
  3. Step 3: Cross multiply
    636,981.38x = 955,619.69 × 216,257.25
  4. Step 4: Simplify right side
    636,981.38x = 206,659,685,123.97
  5. Step 5: Solve for x
    x = 206,659,685,123.97/636,981.38
  6. Step 6: Final answer
    x = 324,435.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.