Home / 451,947.87-677,918.70-114,985.44

Finding the Fourth Proportional to 451,947.87, 677,918.70 and 114,985.44

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Solution

The fourth proportional to 451,947.87, 677,918.70 and 114,985.44 is: 172,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,947.87 : 677,918.70 = 114,985.44 : x
  2. Step 2: Convert to fraction form
    451,947.87/677,918.70 = 114,985.44/x
  3. Step 3: Cross multiply
    451,947.87x = 677,918.70 × 114,985.44
  4. Step 4: Simplify right side
    451,947.87x = 77,950,780,003.73
  5. Step 5: Solve for x
    x = 77,950,780,003.73/451,947.87
  6. Step 6: Final answer
    x = 172,477.37

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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.