Home / 392,669.27-541,883.25-222,903.39

Finding the Fourth Proportional to 392,669.27, 541,883.25 and 222,903.39

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Solution

The fourth proportional to 392,669.27, 541,883.25 and 222,903.39 is: 307,606.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,669.27 : 541,883.25 = 222,903.39 : x
  2. Step 2: Convert to fraction form
    392,669.27/541,883.25 = 222,903.39/x
  3. Step 3: Cross multiply
    392,669.27x = 541,883.25 × 222,903.39
  4. Step 4: Simplify right side
    392,669.27x = 120,787,615,441.28
  5. Step 5: Solve for x
    x = 120,787,615,441.28/392,669.27
  6. Step 6: Final answer
    x = 307,606.49

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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.