Home / 414,961.20-621,443.94-236,928.60

Finding the Fourth Proportional to 414,961.20, 621,443.94 and 236,928.60

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Solution

The fourth proportional to 414,961.20, 621,443.94 and 236,928.60 is: 354,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,961.20 : 621,443.94 = 236,928.60 : x
  2. Step 2: Convert to fraction form
    414,961.20/621,443.94 = 236,928.60/x
  3. Step 3: Cross multiply
    414,961.20x = 621,443.94 × 236,928.60
  4. Step 4: Simplify right side
    414,961.20x = 147,237,842,682.68
  5. Step 5: Solve for x
    x = 147,237,842,682.68/414,961.20
  6. Step 6: Final answer
    x = 354,823.16

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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.