Home / 263,698.07-395,558.04-76,709.57

Finding the Fourth Proportional to 263,698.07, 395,558.04 and 76,709.57

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Solution

The fourth proportional to 263,698.07, 395,558.04 and 76,709.57 is: 115,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,698.07 : 395,558.04 = 76,709.57 : x
  2. Step 2: Convert to fraction form
    263,698.07/395,558.04 = 76,709.57/x
  3. Step 3: Cross multiply
    263,698.07x = 395,558.04 × 76,709.57
  4. Step 4: Simplify right side
    263,698.07x = 30,343,087,158.44
  5. Step 5: Solve for x
    x = 30,343,087,158.44/263,698.07
  6. Step 6: Final answer
    x = 115,067.54

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1.5x scale

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.