Home / 451,731.87-677,727.41-171,277.47

Finding the Fourth Proportional to 451,731.87, 677,727.41 and 171,277.47

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Solution

The fourth proportional to 451,731.87, 677,727.41 and 171,277.47 is: 256,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,731.87 : 677,727.41 = 171,277.47 : x
  2. Step 2: Convert to fraction form
    451,731.87/677,727.41 = 171,277.47/x
  3. Step 3: Cross multiply
    451,731.87x = 677,727.41 × 171,277.47
  4. Step 4: Simplify right side
    451,731.87x = 116,079,435,278.07
  5. Step 5: Solve for x
    x = 116,079,435,278.07/451,731.87
  6. Step 6: Final answer
    x = 256,965.34

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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.