Home / 1,197,427.78-1,795,187.58-691,414.75

Finding the Fourth Proportional to 1,197,427.78, 1,795,187.58 and 691,414.75

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Solution

The fourth proportional to 1,197,427.78, 1,795,187.58 and 691,414.75 is: 1,036,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,427.78 : 1,795,187.58 = 691,414.75 : x
  2. Step 2: Convert to fraction form
    1,197,427.78/1,795,187.58 = 691,414.75/x
  3. Step 3: Cross multiply
    1,197,427.78x = 1,795,187.58 × 691,414.75
  4. Step 4: Simplify right side
    1,197,427.78x = 1,241,219,171,828.81
  5. Step 5: Solve for x
    x = 1,241,219,171,828.81/1,197,427.78
  6. Step 6: Final answer
    x = 1,036,571.22

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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.