Home / 426,116.31-588,039.84-235,129.56

Finding the Fourth Proportional to 426,116.31, 588,039.84 and 235,129.56

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Solution

The fourth proportional to 426,116.31, 588,039.84 and 235,129.56 is: 324,478.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,116.31 : 588,039.84 = 235,129.56 : x
  2. Step 2: Convert to fraction form
    426,116.31/588,039.84 = 235,129.56/x
  3. Step 3: Cross multiply
    426,116.31x = 588,039.84 × 235,129.56
  4. Step 4: Simplify right side
    426,116.31x = 138,265,548,841.67
  5. Step 5: Solve for x
    x = 138,265,548,841.67/426,116.31
  6. Step 6: Final answer
    x = 324,478.42

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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.