Home / 474,539.97-654,865.22-259,680.05

Finding the Fourth Proportional to 474,539.97, 654,865.22 and 259,680.05

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Solution

The fourth proportional to 474,539.97, 654,865.22 and 259,680.05 is: 358,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,539.97 : 654,865.22 = 259,680.05 : x
  2. Step 2: Convert to fraction form
    474,539.97/654,865.22 = 259,680.05/x
  3. Step 3: Cross multiply
    474,539.97x = 654,865.22 × 259,680.05
  4. Step 4: Simplify right side
    474,539.97x = 170,055,433,072.86
  5. Step 5: Solve for x
    x = 170,055,433,072.86/474,539.97
  6. Step 6: Final answer
    x = 358,358.50

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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.