Home / 414,408.37-621,716.00-144,540.38

Finding the Fourth Proportional to 414,408.37, 621,716.00 and 144,540.38

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Solution

The fourth proportional to 414,408.37, 621,716.00 and 144,540.38 is: 216,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,408.37 : 621,716.00 = 144,540.38 : x
  2. Step 2: Convert to fraction form
    414,408.37/621,716.00 = 144,540.38/x
  3. Step 3: Cross multiply
    414,408.37x = 621,716.00 × 144,540.38
  4. Step 4: Simplify right side
    414,408.37x = 89,863,068,807.72
  5. Step 5: Solve for x
    x = 89,863,068,807.72/414,408.37
  6. Step 6: Final answer
    x = 216,846.66

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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.