Home / 773,704.20-1,159,634.70-324,424.20

Finding the Fourth Proportional to 773,704.20, 1,159,634.70 and 324,424.20

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Solution

The fourth proportional to 773,704.20, 1,159,634.70 and 324,424.20 is: 486,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,704.20 : 1,159,634.70 = 324,424.20 : x
  2. Step 2: Convert to fraction form
    773,704.20/1,159,634.70 = 324,424.20/x
  3. Step 3: Cross multiply
    773,704.20x = 1,159,634.70 × 324,424.20
  4. Step 4: Simplify right side
    773,704.20x = 376,213,559,839.74
  5. Step 5: Solve for x
    x = 376,213,559,839.74/773,704.20
  6. Step 6: Final answer
    x = 486,249.86

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Half scale
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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.