Home / 426,086.71-587,999.25-235,100.12

Finding the Fourth Proportional to 426,086.71, 587,999.25 and 235,100.12

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Solution

The fourth proportional to 426,086.71, 587,999.25 and 235,100.12 is: 324,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,086.71 : 587,999.25 = 235,100.12 : x
  2. Step 2: Convert to fraction form
    426,086.71/587,999.25 = 235,100.12/x
  3. Step 3: Cross multiply
    426,086.71x = 587,999.25 × 235,100.12
  4. Step 4: Simplify right side
    426,086.71x = 138,238,691,294.91
  5. Step 5: Solve for x
    x = 138,238,691,294.91/426,086.71
  6. Step 6: Final answer
    x = 324,437.93

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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.