Home / 467,858.21-645,629.76-263,906.15

Finding the Fourth Proportional to 467,858.21, 645,629.76 and 263,906.15

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Solution

The fourth proportional to 467,858.21, 645,629.76 and 263,906.15 is: 364,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,858.21 : 645,629.76 = 263,906.15 : x
  2. Step 2: Convert to fraction form
    467,858.21/645,629.76 = 263,906.15/x
  3. Step 3: Cross multiply
    467,858.21x = 645,629.76 × 263,906.15
  4. Step 4: Simplify right side
    467,858.21x = 170,385,664,287.02
  5. Step 5: Solve for x
    x = 170,385,664,287.02/467,858.21
  6. Step 6: Final answer
    x = 364,182.27

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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.