Home / 1,511,712.16-2,086,162.80-832,648.72

Finding the Fourth Proportional to 1,511,712.16, 2,086,162.80 and 832,648.72

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Solution

The fourth proportional to 1,511,712.16, 2,086,162.80 and 832,648.72 is: 1,149,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,712.16 : 2,086,162.80 = 832,648.72 : x
  2. Step 2: Convert to fraction form
    1,511,712.16/2,086,162.80 = 832,648.72/x
  3. Step 3: Cross multiply
    1,511,712.16x = 2,086,162.80 × 832,648.72
  4. Step 4: Simplify right side
    1,511,712.16x = 1,737,040,785,131.62
  5. Step 5: Solve for x
    x = 1,737,040,785,131.62/1,511,712.16
  6. Step 6: Final answer
    x = 1,149,055.24

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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.