Home / 491,086.64-736,629.96-324,835.76

Finding the Fourth Proportional to 491,086.64, 736,629.96 and 324,835.76

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Solution

The fourth proportional to 491,086.64, 736,629.96 and 324,835.76 is: 487,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,086.64 : 736,629.96 = 324,835.76 : x
  2. Step 2: Convert to fraction form
    491,086.64/736,629.96 = 324,835.76/x
  3. Step 3: Cross multiply
    491,086.64x = 736,629.96 × 324,835.76
  4. Step 4: Simplify right side
    491,086.64x = 239,283,752,895.37
  5. Step 5: Solve for x
    x = 239,283,752,895.37/491,086.64
  6. Step 6: Final answer
    x = 487,253.64

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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.