Home / 414,386.33-621,517.96-114,835.68

Finding the Fourth Proportional to 414,386.33, 621,517.96 and 114,835.68

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Solution

The fourth proportional to 414,386.33, 621,517.96 and 114,835.68 is: 172,236.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,386.33 : 621,517.96 = 114,835.68 : x
  2. Step 2: Convert to fraction form
    414,386.33/621,517.96 = 114,835.68/x
  3. Step 3: Cross multiply
    414,386.33x = 621,517.96 × 114,835.68
  4. Step 4: Simplify right side
    414,386.33x = 71,372,437,568.81
  5. Step 5: Solve for x
    x = 71,372,437,568.81/414,386.33
  6. Step 6: Final answer
    x = 172,236.47

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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.