Home / 451,181.14-622,397.10-305,937.79

Finding the Fourth Proportional to 451,181.14, 622,397.10 and 305,937.79

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Solution

The fourth proportional to 451,181.14, 622,397.10 and 305,937.79 is: 422,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,181.14 : 622,397.10 = 305,937.79 : x
  2. Step 2: Convert to fraction form
    451,181.14/622,397.10 = 305,937.79/x
  3. Step 3: Cross multiply
    451,181.14x = 622,397.10 × 305,937.79
  4. Step 4: Simplify right side
    451,181.14x = 190,414,793,276.41
  5. Step 5: Solve for x
    x = 190,414,793,276.41/451,181.14
  6. Step 6: Final answer
    x = 422,036.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.