Home / 682,382.50-941,383.56-395,736.46

Finding the Fourth Proportional to 682,382.50, 941,383.56 and 395,736.46

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Solution

The fourth proportional to 682,382.50, 941,383.56 and 395,736.46 is: 545,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,382.50 : 941,383.56 = 395,736.46 : x
  2. Step 2: Convert to fraction form
    682,382.50/941,383.56 = 395,736.46/x
  3. Step 3: Cross multiply
    682,382.50x = 941,383.56 × 395,736.46
  4. Step 4: Simplify right side
    682,382.50x = 372,539,797,536.60
  5. Step 5: Solve for x
    x = 372,539,797,536.60/682,382.50
  6. Step 6: Final answer
    x = 545,939.85

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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.