Home / 646,930.38-970,543.19-197,715.11

Finding the Fourth Proportional to 646,930.38, 970,543.19 and 197,715.11

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Solution

The fourth proportional to 646,930.38, 970,543.19 and 197,715.11 is: 296,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,930.38 : 970,543.19 = 197,715.11 : x
  2. Step 2: Convert to fraction form
    646,930.38/970,543.19 = 197,715.11/x
  3. Step 3: Cross multiply
    646,930.38x = 970,543.19 × 197,715.11
  4. Step 4: Simplify right side
    646,930.38x = 191,891,056,491.25
  5. Step 5: Solve for x
    x = 191,891,056,491.25/646,930.38
  6. Step 6: Final answer
    x = 296,617.79

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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.