Home / 682,342.20-941,327.82-395,696.16

Finding the Fourth Proportional to 682,342.20, 941,327.82 and 395,696.16

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Solution

The fourth proportional to 682,342.20, 941,327.82 and 395,696.16 is: 545,884.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,342.20 : 941,327.82 = 395,696.16 : x
  2. Step 2: Convert to fraction form
    682,342.20/941,327.82 = 395,696.16/x
  3. Step 3: Cross multiply
    682,342.20x = 941,327.82 × 395,696.16
  4. Step 4: Simplify right side
    682,342.20x = 372,479,803,675.17
  5. Step 5: Solve for x
    x = 372,479,803,675.17/682,342.20
  6. Step 6: Final answer
    x = 545,884.17

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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.