Home / 491,248.20-677,917.72-273,453.42

Finding the Fourth Proportional to 491,248.20, 677,917.72 and 273,453.42

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Solution

The fourth proportional to 491,248.20, 677,917.72 and 273,453.42 is: 377,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,248.20 : 677,917.72 = 273,453.42 : x
  2. Step 2: Convert to fraction form
    491,248.20/677,917.72 = 273,453.42/x
  3. Step 3: Cross multiply
    491,248.20x = 677,917.72 × 273,453.42
  4. Step 4: Simplify right side
    491,248.20x = 185,378,919,012.60
  5. Step 5: Solve for x
    x = 185,378,919,012.60/491,248.20
  6. Step 6: Final answer
    x = 377,363.05

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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.