Home / 326,921.71-451,353.24-259,212.19

Finding the Fourth Proportional to 326,921.71, 451,353.24 and 259,212.19

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Solution

The fourth proportional to 326,921.71, 451,353.24 and 259,212.19 is: 357,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,921.71 : 451,353.24 = 259,212.19 : x
  2. Step 2: Convert to fraction form
    326,921.71/451,353.24 = 259,212.19/x
  3. Step 3: Cross multiply
    326,921.71x = 451,353.24 × 259,212.19
  4. Step 4: Simplify right side
    326,921.71x = 116,996,261,804.00
  5. Step 5: Solve for x
    x = 116,996,261,804.00/326,921.71
  6. Step 6: Final answer
    x = 357,872.41

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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.