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Finding the Fourth Proportional to 1,266,738.92, 1,748,034.24 and 693,668.52

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Solution

The fourth proportional to 1,266,738.92, 1,748,034.24 and 693,668.52 is: 957,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,738.92 : 1,748,034.24 = 693,668.52 : x
  2. Step 2: Convert to fraction form
    1,266,738.92/1,748,034.24 = 693,668.52/x
  3. Step 3: Cross multiply
    1,266,738.92x = 1,748,034.24 × 693,668.52
  4. Step 4: Simplify right side
    1,266,738.92x = 1,212,556,324,170.12
  5. Step 5: Solve for x
    x = 1,212,556,324,170.12/1,266,738.92
  6. Step 6: Final answer
    x = 957,226.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.