Home / 491,106.24-677,721.74-273,311.21

Finding the Fourth Proportional to 491,106.24, 677,721.74 and 273,311.21

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Solution

The fourth proportional to 491,106.24, 677,721.74 and 273,311.21 is: 377,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,106.24 : 677,721.74 = 273,311.21 : x
  2. Step 2: Convert to fraction form
    491,106.24/677,721.74 = 273,311.21/x
  3. Step 3: Cross multiply
    491,106.24x = 677,721.74 × 273,311.21
  4. Step 4: Simplify right side
    491,106.24x = 185,228,949,130.45
  5. Step 5: Solve for x
    x = 185,228,949,130.45/491,106.24
  6. Step 6: Final answer
    x = 377,166.76

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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.