Home / 1,591,410.78-2,196,174.87-866,279.34

Finding the Fourth Proportional to 1,591,410.78, 2,196,174.87 and 866,279.34

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Solution

The fourth proportional to 1,591,410.78, 2,196,174.87 and 866,279.34 is: 1,195,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,410.78 : 2,196,174.87 = 866,279.34 : x
  2. Step 2: Convert to fraction form
    1,591,410.78/2,196,174.87 = 866,279.34/x
  3. Step 3: Cross multiply
    1,591,410.78x = 2,196,174.87 × 866,279.34
  4. Step 4: Simplify right side
    1,591,410.78x = 1,902,500,916,908.19
  5. Step 5: Solve for x
    x = 1,902,500,916,908.19/1,591,410.78
  6. Step 6: Final answer
    x = 1,195,480.73

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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.