Home / 491,244.30-677,910.19-276,383.85

Finding the Fourth Proportional to 491,244.30, 677,910.19 and 276,383.85

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Solution

The fourth proportional to 491,244.30, 677,910.19 and 276,383.85 is: 381,405.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,244.30 : 677,910.19 = 276,383.85 : x
  2. Step 2: Convert to fraction form
    491,244.30/677,910.19 = 276,383.85/x
  3. Step 3: Cross multiply
    491,244.30x = 677,910.19 × 276,383.85
  4. Step 4: Simplify right side
    491,244.30x = 187,363,429,364.77
  5. Step 5: Solve for x
    x = 187,363,429,364.77/491,244.30
  6. Step 6: Final answer
    x = 381,405.81

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1.5x scale

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.