Home / 828,936.05-1,243,404.00-229,897.20

Finding the Fourth Proportional to 828,936.05, 1,243,404.00 and 229,897.20

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Solution

The fourth proportional to 828,936.05, 1,243,404.00 and 229,897.20 is: 344,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,936.05 : 1,243,404.00 = 229,897.20 : x
  2. Step 2: Convert to fraction form
    828,936.05/1,243,404.00 = 229,897.20/x
  3. Step 3: Cross multiply
    828,936.05x = 1,243,404.00 × 229,897.20
  4. Step 4: Simplify right side
    828,936.05x = 285,855,094,268.15
  5. Step 5: Solve for x
    x = 285,855,094,268.15/828,936.05
  6. Step 6: Final answer
    x = 344,845.78

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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.