Home / 451,977.72-677,965.90-185,550.55

Finding the Fourth Proportional to 451,977.72, 677,965.90 and 185,550.55

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Solution

The fourth proportional to 451,977.72, 677,965.90 and 185,550.55 is: 278,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,977.72 : 677,965.90 = 185,550.55 : x
  2. Step 2: Convert to fraction form
    451,977.72/677,965.90 = 185,550.55/x
  3. Step 3: Cross multiply
    451,977.72x = 677,965.90 × 185,550.55
  4. Step 4: Simplify right side
    451,977.72x = 125,796,943,815.36
  5. Step 5: Solve for x
    x = 125,796,943,815.36/451,977.72
  6. Step 6: Final answer
    x = 278,325.54

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1.5x scale

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.