Home / 386,540.01-533,267.73-259,256.61

Finding the Fourth Proportional to 386,540.01, 533,267.73 and 259,256.61

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Solution

The fourth proportional to 386,540.01, 533,267.73 and 259,256.61 is: 357,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,540.01 : 533,267.73 = 259,256.61 : x
  2. Step 2: Convert to fraction form
    386,540.01/533,267.73 = 259,256.61/x
  3. Step 3: Cross multiply
    386,540.01x = 533,267.73 × 259,256.61
  4. Step 4: Simplify right side
    386,540.01x = 138,253,183,902.20
  5. Step 5: Solve for x
    x = 138,253,183,902.20/386,540.01
  6. Step 6: Final answer
    x = 357,668.50

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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.