Home / 414,664.11-622,024.41-140,998.88

Finding the Fourth Proportional to 414,664.11, 622,024.41 and 140,998.88

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Solution

The fourth proportional to 414,664.11, 622,024.41 and 140,998.88 is: 211,507.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,664.11 : 622,024.41 = 140,998.88 : x
  2. Step 2: Convert to fraction form
    414,664.11/622,024.41 = 140,998.88/x
  3. Step 3: Cross multiply
    414,664.11x = 622,024.41 × 140,998.88
  4. Step 4: Simplify right side
    414,664.11x = 87,704,742,032.54
  5. Step 5: Solve for x
    x = 87,704,742,032.54/414,664.11
  6. Step 6: Final answer
    x = 211,507.92

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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.