Home / 392,629.16-541,856.23-222,874.22

Finding the Fourth Proportional to 392,629.16, 541,856.23 and 222,874.22

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Solution

The fourth proportional to 392,629.16, 541,856.23 and 222,874.22 is: 307,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,629.16 : 541,856.23 = 222,874.22 : x
  2. Step 2: Convert to fraction form
    392,629.16/541,856.23 = 222,874.22/x
  3. Step 3: Cross multiply
    392,629.16x = 541,856.23 × 222,874.22
  4. Step 4: Simplify right side
    392,629.16x = 120,765,781,346.92
  5. Step 5: Solve for x
    x = 120,765,781,346.92/392,629.16
  6. Step 6: Final answer
    x = 307,582.31

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1.5x scale

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.