Home / 828,841.88-1,243,262.88-229,803.05

Finding the Fourth Proportional to 828,841.88, 1,243,262.88 and 229,803.05

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Solution

The fourth proportional to 828,841.88, 1,243,262.88 and 229,803.05 is: 344,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,841.88 : 1,243,262.88 = 229,803.05 : x
  2. Step 2: Convert to fraction form
    828,841.88/1,243,262.88 = 229,803.05/x
  3. Step 3: Cross multiply
    828,841.88x = 1,243,262.88 × 229,803.05
  4. Step 4: Simplify right side
    828,841.88x = 285,705,604,022.18
  5. Step 5: Solve for x
    x = 285,705,604,022.18/828,841.88
  6. Step 6: Final answer
    x = 344,704.59

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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.