Home / 828,996.80-1,244,151.30-323,799.80

Finding the Fourth Proportional to 828,996.80, 1,244,151.30 and 323,799.80

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Solution

The fourth proportional to 828,996.80, 1,244,151.30 and 323,799.80 is: 485,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,996.80 : 1,244,151.30 = 323,799.80 : x
  2. Step 2: Convert to fraction form
    828,996.80/1,244,151.30 = 323,799.80/x
  3. Step 3: Cross multiply
    828,996.80x = 1,244,151.30 × 323,799.80
  4. Step 4: Simplify right side
    828,996.80x = 402,855,942,109.74
  5. Step 5: Solve for x
    x = 402,855,942,109.74/828,996.80
  6. Step 6: Final answer
    x = 485,955.97

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Double scale
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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.