Home / 414,942.08-622,361.28-115,445.12

Finding the Fourth Proportional to 414,942.08, 622,361.28 and 115,445.12

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Solution

The fourth proportional to 414,942.08, 622,361.28 and 115,445.12 is: 173,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,942.08 : 622,361.28 = 115,445.12 : x
  2. Step 2: Convert to fraction form
    414,942.08/622,361.28 = 115,445.12/x
  3. Step 3: Cross multiply
    414,942.08x = 622,361.28 × 115,445.12
  4. Step 4: Simplify right side
    414,942.08x = 71,848,572,652.95
  5. Step 5: Solve for x
    x = 71,848,572,652.95/414,942.08
  6. Step 6: Final answer
    x = 173,153.26

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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.