Home / 646,936.38-970,552.20-197,721.12

Finding the Fourth Proportional to 646,936.38, 970,552.20 and 197,721.12

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Solution

The fourth proportional to 646,936.38, 970,552.20 and 197,721.12 is: 296,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,936.38 : 970,552.20 = 197,721.12 : x
  2. Step 2: Convert to fraction form
    646,936.38/970,552.20 = 197,721.12/x
  3. Step 3: Cross multiply
    646,936.38x = 970,552.20 × 197,721.12
  4. Step 4: Simplify right side
    646,936.38x = 191,898,668,002.46
  5. Step 5: Solve for x
    x = 191,898,668,002.46/646,936.38
  6. Step 6: Final answer
    x = 296,626.80

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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.