Home / 1,198,343.82-1,653,493.56-708,392.36

Finding the Fourth Proportional to 1,198,343.82, 1,653,493.56 and 708,392.36

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Solution

The fourth proportional to 1,198,343.82, 1,653,493.56 and 708,392.36 is: 977,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,343.82 : 1,653,493.56 = 708,392.36 : x
  2. Step 2: Convert to fraction form
    1,198,343.82/1,653,493.56 = 708,392.36/x
  3. Step 3: Cross multiply
    1,198,343.82x = 1,653,493.56 × 708,392.36
  4. Step 4: Simplify right side
    1,198,343.82x = 1,171,322,205,213.20
  5. Step 5: Solve for x
    x = 1,171,322,205,213.20/1,198,343.82
  6. Step 6: Final answer
    x = 977,450.87

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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.