Home / 806,917.67-1,112,505.81-661,181.66

Finding the Fourth Proportional to 806,917.67, 1,112,505.81 and 661,181.66

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Solution

The fourth proportional to 806,917.67, 1,112,505.81 and 661,181.66 is: 911,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,917.67 : 1,112,505.81 = 661,181.66 : x
  2. Step 2: Convert to fraction form
    806,917.67/1,112,505.81 = 661,181.66/x
  3. Step 3: Cross multiply
    806,917.67x = 1,112,505.81 × 661,181.66
  4. Step 4: Simplify right side
    806,917.67x = 735,568,438,215.45
  5. Step 5: Solve for x
    x = 735,568,438,215.45/806,917.67
  6. Step 6: Final answer
    x = 911,578.05

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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.