Home / 1,511,980.92-2,086,434.48-832,917.36

Finding the Fourth Proportional to 1,511,980.92, 2,086,434.48 and 832,917.36

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Solution

The fourth proportional to 1,511,980.92, 2,086,434.48 and 832,917.36 is: 1,149,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,980.92 : 2,086,434.48 = 832,917.36 : x
  2. Step 2: Convert to fraction form
    1,511,980.92/2,086,434.48 = 832,917.36/x
  3. Step 3: Cross multiply
    1,511,980.92x = 2,086,434.48 × 832,917.36
  4. Step 4: Simplify right side
    1,511,980.92x = 1,737,827,498,894.57
  5. Step 5: Solve for x
    x = 1,737,827,498,894.57/1,511,980.92
  6. Step 6: Final answer
    x = 1,149,371.32

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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.