Home / 558,948.20-838,346.70-222,236.60

Finding the Fourth Proportional to 558,948.20, 838,346.70 and 222,236.60

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Solution

The fourth proportional to 558,948.20, 838,346.70 and 222,236.60 is: 333,324.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,948.20 : 838,346.70 = 222,236.60 : x
  2. Step 2: Convert to fraction form
    558,948.20/838,346.70 = 222,236.60/x
  3. Step 3: Cross multiply
    558,948.20x = 838,346.70 × 222,236.60
  4. Step 4: Simplify right side
    558,948.20x = 186,311,320,229.22
  5. Step 5: Solve for x
    x = 186,311,320,229.22/558,948.20
  6. Step 6: Final answer
    x = 333,324.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.