Home / 1,086,519.59-1,629,787.55-412,419.17

Finding the Fourth Proportional to 1,086,519.59, 1,629,787.55 and 412,419.17

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Solution

The fourth proportional to 1,086,519.59, 1,629,787.55 and 412,419.17 is: 618,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,519.59 : 1,629,787.55 = 412,419.17 : x
  2. Step 2: Convert to fraction form
    1,086,519.59/1,629,787.55 = 412,419.17/x
  3. Step 3: Cross multiply
    1,086,519.59x = 1,629,787.55 × 412,419.17
  4. Step 4: Simplify right side
    1,086,519.59x = 672,155,618,436.30
  5. Step 5: Solve for x
    x = 672,155,618,436.30/1,086,519.59
  6. Step 6: Final answer
    x = 618,631.85

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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.