Home / 1,511,702.91-2,086,149.92-832,639.41

Finding the Fourth Proportional to 1,511,702.91, 2,086,149.92 and 832,639.41

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Solution

The fourth proportional to 1,511,702.91, 2,086,149.92 and 832,639.41 is: 1,149,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,702.91 : 2,086,149.92 = 832,639.41 : x
  2. Step 2: Convert to fraction form
    1,511,702.91/2,086,149.92 = 832,639.41/x
  3. Step 3: Cross multiply
    1,511,702.91x = 2,086,149.92 × 832,639.41
  4. Step 4: Simplify right side
    1,511,702.91x = 1,737,010,634,397.15
  5. Step 5: Solve for x
    x = 1,737,010,634,397.15/1,511,702.91
  6. Step 6: Final answer
    x = 1,149,042.33

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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.