Home / 825,031.75-1,237,548.61-225,998.07

Finding the Fourth Proportional to 825,031.75, 1,237,548.61 and 225,998.07

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Solution

The fourth proportional to 825,031.75, 1,237,548.61 and 225,998.07 is: 338,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,031.75 : 1,237,548.61 = 225,998.07 : x
  2. Step 2: Convert to fraction form
    825,031.75/1,237,548.61 = 225,998.07/x
  3. Step 3: Cross multiply
    825,031.75x = 1,237,548.61 × 225,998.07
  4. Step 4: Simplify right side
    825,031.75x = 279,683,597,391.18
  5. Step 5: Solve for x
    x = 279,683,597,391.18/825,031.75
  6. Step 6: Final answer
    x = 338,997.37

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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.