Home / 1,511,701.80-2,086,148.37-832,638.30

Finding the Fourth Proportional to 1,511,701.80, 2,086,148.37 and 832,638.30

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Solution

The fourth proportional to 1,511,701.80, 2,086,148.37 and 832,638.30 is: 1,149,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,701.80 : 2,086,148.37 = 832,638.30 : x
  2. Step 2: Convert to fraction form
    1,511,701.80/2,086,148.37 = 832,638.30/x
  3. Step 3: Cross multiply
    1,511,701.80x = 2,086,148.37 × 832,638.30
  4. Step 4: Simplify right side
    1,511,701.80x = 1,737,007,032,344.57
  5. Step 5: Solve for x
    x = 1,737,007,032,344.57/1,511,701.80
  6. Step 6: Final answer
    x = 1,149,040.79

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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.