Home / 451,100.36-622,489.32-247,151

Finding the Fourth Proportional to 451,100.36, 622,489.32 and 247,151

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Solution

The fourth proportional to 451,100.36, 622,489.32 and 247,151 is: 341,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,100.36 : 622,489.32 = 247,151 : x
  2. Step 2: Convert to fraction form
    451,100.36/622,489.32 = 247,151/x
  3. Step 3: Cross multiply
    451,100.36x = 622,489.32 × 247,151
  4. Step 4: Simplify right side
    451,100.36x = 153,848,857,927.32
  5. Step 5: Solve for x
    x = 153,848,857,927.32/451,100.36
  6. Step 6: Final answer
    x = 341,052.39

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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.