Home / 769,489.26-1,154,234.18-200,868.76

Finding the Fourth Proportional to 769,489.26, 1,154,234.18 and 200,868.76

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Solution

The fourth proportional to 769,489.26, 1,154,234.18 and 200,868.76 is: 301,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,489.26 : 1,154,234.18 = 200,868.76 : x
  2. Step 2: Convert to fraction form
    769,489.26/1,154,234.18 = 200,868.76/x
  3. Step 3: Cross multiply
    769,489.26x = 1,154,234.18 × 200,868.76
  4. Step 4: Simplify right side
    769,489.26x = 231,849,588,486.22
  5. Step 5: Solve for x
    x = 231,849,588,486.22/769,489.26
  6. Step 6: Final answer
    x = 301,303.22

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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.