Home / 646,227.69-969,481.35-196,936.68

Finding the Fourth Proportional to 646,227.69, 969,481.35 and 196,936.68

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Solution

The fourth proportional to 646,227.69, 969,481.35 and 196,936.68 is: 295,447.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,227.69 : 969,481.35 = 196,936.68 : x
  2. Step 2: Convert to fraction form
    646,227.69/969,481.35 = 196,936.68/x
  3. Step 3: Cross multiply
    646,227.69x = 969,481.35 × 196,936.68
  4. Step 4: Simplify right side
    646,227.69x = 190,926,438,390.92
  5. Step 5: Solve for x
    x = 190,926,438,390.92/646,227.69
  6. Step 6: Final answer
    x = 295,447.63

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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.