Home / 414,726.81-622,198.98-130,405.83

Finding the Fourth Proportional to 414,726.81, 622,198.98 and 130,405.83

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Solution

The fourth proportional to 414,726.81, 622,198.98 and 130,405.83 is: 195,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,726.81 : 622,198.98 = 130,405.83 : x
  2. Step 2: Convert to fraction form
    414,726.81/622,198.98 = 130,405.83/x
  3. Step 3: Cross multiply
    414,726.81x = 622,198.98 × 130,405.83
  4. Step 4: Simplify right side
    414,726.81x = 81,138,374,412.05
  5. Step 5: Solve for x
    x = 81,138,374,412.05/414,726.81
  6. Step 6: Final answer
    x = 195,642.94

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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.