Home / 756,755.13-1,044,321.77-412,591.34

Finding the Fourth Proportional to 756,755.13, 1,044,321.77 and 412,591.34

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Solution

The fourth proportional to 756,755.13, 1,044,321.77 and 412,591.34 is: 569,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,755.13 : 1,044,321.77 = 412,591.34 : x
  2. Step 2: Convert to fraction form
    756,755.13/1,044,321.77 = 412,591.34/x
  3. Step 3: Cross multiply
    756,755.13x = 1,044,321.77 × 412,591.34
  4. Step 4: Simplify right side
    756,755.13x = 430,878,120,054.80
  5. Step 5: Solve for x
    x = 430,878,120,054.80/756,755.13
  6. Step 6: Final answer
    x = 569,375.88

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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.