Home / 1,181,996.22-1,631,193.66-665,759.76

Finding the Fourth Proportional to 1,181,996.22, 1,631,193.66 and 665,759.76

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Solution

The fourth proportional to 1,181,996.22, 1,631,193.66 and 665,759.76 is: 918,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,996.22 : 1,631,193.66 = 665,759.76 : x
  2. Step 2: Convert to fraction form
    1,181,996.22/1,631,193.66 = 665,759.76/x
  3. Step 3: Cross multiply
    1,181,996.22x = 1,631,193.66 × 665,759.76
  4. Step 4: Simplify right side
    1,181,996.22x = 1,085,983,099,595.12
  5. Step 5: Solve for x
    x = 1,085,983,099,595.12/1,181,996.22
  6. Step 6: Final answer
    x = 918,770.37

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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.