Home / 755,131.50-1,042,081.74-415,592.46

Finding the Fourth Proportional to 755,131.50, 1,042,081.74 and 415,592.46

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Solution

The fourth proportional to 755,131.50, 1,042,081.74 and 415,592.46 is: 573,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,131.50 : 1,042,081.74 = 415,592.46 : x
  2. Step 2: Convert to fraction form
    755,131.50/1,042,081.74 = 415,592.46/x
  3. Step 3: Cross multiply
    755,131.50x = 1,042,081.74 × 415,592.46
  4. Step 4: Simplify right side
    755,131.50x = 433,081,313,847.68
  5. Step 5: Solve for x
    x = 433,081,313,847.68/755,131.50
  6. Step 6: Final answer
    x = 573,517.74

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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.