Home / 414,904.80-622,664.40-165,765.60

Finding the Fourth Proportional to 414,904.80, 622,664.40 and 165,765.60

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Solution

The fourth proportional to 414,904.80, 622,664.40 and 165,765.60 is: 248,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,904.80 : 622,664.40 = 165,765.60 : x
  2. Step 2: Convert to fraction form
    414,904.80/622,664.40 = 165,765.60/x
  3. Step 3: Cross multiply
    414,904.80x = 622,664.40 × 165,765.60
  4. Step 4: Simplify right side
    414,904.80x = 103,216,337,864.64
  5. Step 5: Solve for x
    x = 103,216,337,864.64/414,904.80
  6. Step 6: Final answer
    x = 248,771.13

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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.