Home / 1,591,306.32-2,196,049.40-866,201.34

Finding the Fourth Proportional to 1,591,306.32, 2,196,049.40 and 866,201.34

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Solution

The fourth proportional to 1,591,306.32, 2,196,049.40 and 866,201.34 is: 1,195,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,306.32 : 2,196,049.40 = 866,201.34 : x
  2. Step 2: Convert to fraction form
    1,591,306.32/2,196,049.40 = 866,201.34/x
  3. Step 3: Cross multiply
    1,591,306.32x = 2,196,049.40 × 866,201.34
  4. Step 4: Simplify right side
    1,591,306.32x = 1,902,220,945,011.01
  5. Step 5: Solve for x
    x = 1,902,220,945,011.01/1,591,306.32
  6. Step 6: Final answer
    x = 1,195,383.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.