Home / 414,940.75-622,411.67-115,421.35

Finding the Fourth Proportional to 414,940.75, 622,411.67 and 115,421.35

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Solution

The fourth proportional to 414,940.75, 622,411.67 and 115,421.35 is: 173,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,940.75 : 622,411.67 = 115,421.35 : x
  2. Step 2: Convert to fraction form
    414,940.75/622,411.67 = 115,421.35/x
  3. Step 3: Cross multiply
    414,940.75x = 622,411.67 × 115,421.35
  4. Step 4: Simplify right side
    414,940.75x = 71,839,595,207.15
  5. Step 5: Solve for x
    x = 71,839,595,207.15/414,940.75
  6. Step 6: Final answer
    x = 173,132.18

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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.