Home / 1,198,766.31-1,654,329.99-715,611.87

Finding the Fourth Proportional to 1,198,766.31, 1,654,329.99 and 715,611.87

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Solution

The fourth proportional to 1,198,766.31, 1,654,329.99 and 715,611.87 is: 987,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,766.31 : 1,654,329.99 = 715,611.87 : x
  2. Step 2: Convert to fraction form
    1,198,766.31/1,654,329.99 = 715,611.87/x
  3. Step 3: Cross multiply
    1,198,766.31x = 1,654,329.99 × 715,611.87
  4. Step 4: Simplify right side
    1,198,766.31x = 1,183,858,177,740.98
  5. Step 5: Solve for x
    x = 1,183,858,177,740.98/1,198,766.31
  6. Step 6: Final answer
    x = 987,563.77

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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.