Home / 326,117.16-449,432.28-254,383.56

Finding the Fourth Proportional to 326,117.16, 449,432.28 and 254,383.56

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Solution

The fourth proportional to 326,117.16, 449,432.28 and 254,383.56 is: 350,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,117.16 : 449,432.28 = 254,383.56 : x
  2. Step 2: Convert to fraction form
    326,117.16/449,432.28 = 254,383.56/x
  3. Step 3: Cross multiply
    326,117.16x = 449,432.28 × 254,383.56
  4. Step 4: Simplify right side
    326,117.16x = 114,328,183,365.32
  5. Step 5: Solve for x
    x = 114,328,183,365.32/326,117.16
  6. Step 6: Final answer
    x = 350,573.96

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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.