Home / 825,031.40-1,237,548.09-225,997.73

Finding the Fourth Proportional to 825,031.40, 1,237,548.09 and 225,997.73

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Solution

The fourth proportional to 825,031.40, 1,237,548.09 and 225,997.73 is: 338,996.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,031.40 : 1,237,548.09 = 225,997.73 : x
  2. Step 2: Convert to fraction form
    825,031.40/1,237,548.09 = 225,997.73/x
  3. Step 3: Cross multiply
    825,031.40x = 1,237,548.09 × 225,997.73
  4. Step 4: Simplify right side
    825,031.40x = 279,683,052,918.10
  5. Step 5: Solve for x
    x = 279,683,052,918.10/825,031.40
  6. Step 6: Final answer
    x = 338,996.86

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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.