Home / 451,137.30-622,562.67-247,187.40

Finding the Fourth Proportional to 451,137.30, 622,562.67 and 247,187.40

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Solution

The fourth proportional to 451,137.30, 622,562.67 and 247,187.40 is: 341,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,137.30 : 622,562.67 = 247,187.40 : x
  2. Step 2: Convert to fraction form
    451,137.30/622,562.67 = 247,187.40/x
  3. Step 3: Cross multiply
    451,137.30x = 622,562.67 × 247,187.40
  4. Step 4: Simplify right side
    451,137.30x = 153,889,647,734.36
  5. Step 5: Solve for x
    x = 153,889,647,734.36/451,137.30
  6. Step 6: Final answer
    x = 341,114.88

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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.