Home / 1,591,340.78-2,196,108.23-866,153.45

Finding the Fourth Proportional to 1,591,340.78, 2,196,108.23 and 866,153.45

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Solution

The fourth proportional to 1,591,340.78, 2,196,108.23 and 866,153.45 is: 1,195,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,340.78 : 2,196,108.23 = 866,153.45 : x
  2. Step 2: Convert to fraction form
    1,591,340.78/2,196,108.23 = 866,153.45/x
  3. Step 3: Cross multiply
    1,591,340.78x = 2,196,108.23 × 866,153.45
  4. Step 4: Simplify right side
    1,591,340.78x = 1,902,166,704,676.59
  5. Step 5: Solve for x
    x = 1,902,166,704,676.59/1,591,340.78
  6. Step 6: Final answer
    x = 1,195,323.30

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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.