Home / 695,226.20-1,042,576.84-320,986.76

Finding the Fourth Proportional to 695,226.20, 1,042,576.84 and 320,986.76

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Solution

The fourth proportional to 695,226.20, 1,042,576.84 and 320,986.76 is: 481,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,226.20 : 1,042,576.84 = 320,986.76 : x
  2. Step 2: Convert to fraction form
    695,226.20/1,042,576.84 = 320,986.76/x
  3. Step 3: Cross multiply
    695,226.20x = 1,042,576.84 × 320,986.76
  4. Step 4: Simplify right side
    695,226.20x = 334,653,361,922.64
  5. Step 5: Solve for x
    x = 334,653,361,922.64/695,226.20
  6. Step 6: Final answer
    x = 481,358.96

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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.