Home / 755,101.38-1,042,060.84-410,940.48

Finding the Fourth Proportional to 755,101.38, 1,042,060.84 and 410,940.48

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Solution

The fourth proportional to 755,101.38, 1,042,060.84 and 410,940.48 is: 567,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,101.38 : 1,042,060.84 = 410,940.48 : x
  2. Step 2: Convert to fraction form
    755,101.38/1,042,060.84 = 410,940.48/x
  3. Step 3: Cross multiply
    755,101.38x = 1,042,060.84 × 410,940.48
  4. Step 4: Simplify right side
    755,101.38x = 428,224,981,778.80
  5. Step 5: Solve for x
    x = 428,224,981,778.80/755,101.38
  6. Step 6: Final answer
    x = 567,109.26

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1.5x scale

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.