Home / 768,932.06-1,153,398.49-200,311.65

Finding the Fourth Proportional to 768,932.06, 1,153,398.49 and 200,311.65

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Solution

The fourth proportional to 768,932.06, 1,153,398.49 and 200,311.65 is: 300,467.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,932.06 : 1,153,398.49 = 200,311.65 : x
  2. Step 2: Convert to fraction form
    768,932.06/1,153,398.49 = 200,311.65/x
  3. Step 3: Cross multiply
    768,932.06x = 1,153,398.49 × 200,311.65
  4. Step 4: Simplify right side
    768,932.06x = 231,039,154,138.63
  5. Step 5: Solve for x
    x = 231,039,154,138.63/768,932.06
  6. Step 6: Final answer
    x = 300,467.58

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Double scale
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Similar ratio
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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.