Home / 646,939.38-970,556.70-197,724.12

Finding the Fourth Proportional to 646,939.38, 970,556.70 and 197,724.12

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Solution

The fourth proportional to 646,939.38, 970,556.70 and 197,724.12 is: 296,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,939.38 : 970,556.70 = 197,724.12 : x
  2. Step 2: Convert to fraction form
    646,939.38/970,556.70 = 197,724.12/x
  3. Step 3: Cross multiply
    646,939.38x = 970,556.70 × 197,724.12
  4. Step 4: Simplify right side
    646,939.38x = 191,902,469,417.60
  5. Step 5: Solve for x
    x = 191,902,469,417.60/646,939.38
  6. Step 6: Final answer
    x = 296,631.30

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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.