Home / 816,833.84-1,127,069.24-494,573.72

Finding the Fourth Proportional to 816,833.84, 1,127,069.24 and 494,573.72

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Solution

The fourth proportional to 816,833.84, 1,127,069.24 and 494,573.72 is: 682,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,833.84 : 1,127,069.24 = 494,573.72 : x
  2. Step 2: Convert to fraction form
    816,833.84/1,127,069.24 = 494,573.72/x
  3. Step 3: Cross multiply
    816,833.84x = 1,127,069.24 × 494,573.72
  4. Step 4: Simplify right side
    816,833.84x = 557,418,818,616.16
  5. Step 5: Solve for x
    x = 557,418,818,616.16/816,833.84
  6. Step 6: Final answer
    x = 682,413.97

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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.