Home / 260,823.21-393,246.22-259,203.97

Finding the Fourth Proportional to 260,823.21, 393,246.22 and 259,203.97

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Solution

The fourth proportional to 260,823.21, 393,246.22 and 259,203.97 is: 390,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,823.21 : 393,246.22 = 259,203.97 : x
  2. Step 2: Convert to fraction form
    260,823.21/393,246.22 = 259,203.97/x
  3. Step 3: Cross multiply
    260,823.21x = 393,246.22 × 259,203.97
  4. Step 4: Simplify right side
    260,823.21x = 101,930,981,411.49
  5. Step 5: Solve for x
    x = 101,930,981,411.49/260,823.21
  6. Step 6: Final answer
    x = 390,804.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.