Home / 394,109.55-543,886.25-222,095.93

Finding the Fourth Proportional to 394,109.55, 543,886.25 and 222,095.93

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Solution

The fourth proportional to 394,109.55, 543,886.25 and 222,095.93 is: 306,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,109.55 : 543,886.25 = 222,095.93 : x
  2. Step 2: Convert to fraction form
    394,109.55/543,886.25 = 222,095.93/x
  3. Step 3: Cross multiply
    394,109.55x = 543,886.25 × 222,095.93
  4. Step 4: Simplify right side
    394,109.55x = 120,794,918,678.05
  5. Step 5: Solve for x
    x = 120,794,918,678.05/394,109.55
  6. Step 6: Final answer
    x = 306,500.87

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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.