Home / 1,511,678.91-2,086,116.82-832,615.41

Finding the Fourth Proportional to 1,511,678.91, 2,086,116.82 and 832,615.41

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Solution

The fourth proportional to 1,511,678.91, 2,086,116.82 and 832,615.41 is: 1,149,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,678.91 : 2,086,116.82 = 832,615.41 : x
  2. Step 2: Convert to fraction form
    1,511,678.91/2,086,116.82 = 832,615.41/x
  3. Step 3: Cross multiply
    1,511,678.91x = 2,086,116.82 × 832,615.41
  4. Step 4: Simplify right side
    1,511,678.91x = 1,736,933,009,310.66
  5. Step 5: Solve for x
    x = 1,736,933,009,310.66/1,511,678.91
  6. Step 6: Final answer
    x = 1,149,009.22

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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.