Home / 414,723.32-622,084.40-130,438.83

Finding the Fourth Proportional to 414,723.32, 622,084.40 and 130,438.83

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Solution

The fourth proportional to 414,723.32, 622,084.40 and 130,438.83 is: 195,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,723.32 : 622,084.40 = 130,438.83 : x
  2. Step 2: Convert to fraction form
    414,723.32/622,084.40 = 130,438.83/x
  3. Step 3: Cross multiply
    414,723.32x = 622,084.40 × 130,438.83
  4. Step 4: Simplify right side
    414,723.32x = 81,143,962,451.13
  5. Step 5: Solve for x
    x = 81,143,962,451.13/414,723.32
  6. Step 6: Final answer
    x = 195,658.07

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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.