Home / 263,306.16-395,814.60-211,284.72

Finding the Fourth Proportional to 263,306.16, 395,814.60 and 211,284.72

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Solution

The fourth proportional to 263,306.16, 395,814.60 and 211,284.72 is: 317,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,306.16 : 395,814.60 = 211,284.72 : x
  2. Step 2: Convert to fraction form
    263,306.16/395,814.60 = 211,284.72/x
  3. Step 3: Cross multiply
    263,306.16x = 395,814.60 × 211,284.72
  4. Step 4: Simplify right side
    263,306.16x = 83,629,576,932.91
  5. Step 5: Solve for x
    x = 83,629,576,932.91/263,306.16
  6. Step 6: Final answer
    x = 317,613.45

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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.