Home / 755,102.58-1,042,040.97-415,571.10

Finding the Fourth Proportional to 755,102.58, 1,042,040.97 and 415,571.10

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Solution

The fourth proportional to 755,102.58, 1,042,040.97 and 415,571.10 is: 573,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,102.58 : 1,042,040.97 = 415,571.10 : x
  2. Step 2: Convert to fraction form
    755,102.58/1,042,040.97 = 415,571.10/x
  3. Step 3: Cross multiply
    755,102.58x = 1,042,040.97 × 415,571.10
  4. Step 4: Simplify right side
    755,102.58x = 433,042,112,147.97
  5. Step 5: Solve for x
    x = 433,042,112,147.97/755,102.58
  6. Step 6: Final answer
    x = 573,487.79

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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.