Home / 414,338.85-621,539.60-114,815.97

Finding the Fourth Proportional to 414,338.85, 621,539.60 and 114,815.97

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Solution

The fourth proportional to 414,338.85, 621,539.60 and 114,815.97 is: 172,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,338.85 : 621,539.60 = 114,815.97 : x
  2. Step 2: Convert to fraction form
    414,338.85/621,539.60 = 114,815.97/x
  3. Step 3: Cross multiply
    414,338.85x = 621,539.60 × 114,815.97
  4. Step 4: Simplify right side
    414,338.85x = 71,362,671,493.33
  5. Step 5: Solve for x
    x = 71,362,671,493.33/414,338.85
  6. Step 6: Final answer
    x = 172,232.63

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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.