Home / 444,741.76-666,414.12-343,787.19

Finding the Fourth Proportional to 444,741.76, 666,414.12 and 343,787.19

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Solution

The fourth proportional to 444,741.76, 666,414.12 and 343,787.19 is: 515,140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,741.76 : 666,414.12 = 343,787.19 : x
  2. Step 2: Convert to fraction form
    444,741.76/666,414.12 = 343,787.19/x
  3. Step 3: Cross multiply
    444,741.76x = 666,414.12 × 343,787.19
  4. Step 4: Simplify right side
    444,741.76x = 229,104,636,421.76
  5. Step 5: Solve for x
    x = 229,104,636,421.76/444,741.76
  6. Step 6: Final answer
    x = 515,140.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.