Home / 1,198,172.64-1,653,691.82-708,122.15

Finding the Fourth Proportional to 1,198,172.64, 1,653,691.82 and 708,122.15

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Solution

The fourth proportional to 1,198,172.64, 1,653,691.82 and 708,122.15 is: 977,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,172.64 : 1,653,691.82 = 708,122.15 : x
  2. Step 2: Convert to fraction form
    1,198,172.64/1,653,691.82 = 708,122.15/x
  3. Step 3: Cross multiply
    1,198,172.64x = 1,653,691.82 × 708,122.15
  4. Step 4: Simplify right side
    1,198,172.64x = 1,171,015,795,206.74
  5. Step 5: Solve for x
    x = 1,171,015,795,206.74/1,198,172.64
  6. Step 6: Final answer
    x = 977,334.78

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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.