Home / 806,917.17-1,112,505.12-661,181.16

Finding the Fourth Proportional to 806,917.17, 1,112,505.12 and 661,181.16

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Solution

The fourth proportional to 806,917.17, 1,112,505.12 and 661,181.16 is: 911,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,917.17 : 1,112,505.12 = 661,181.16 : x
  2. Step 2: Convert to fraction form
    806,917.17/1,112,505.12 = 661,181.16/x
  3. Step 3: Cross multiply
    806,917.17x = 1,112,505.12 × 661,181.16
  4. Step 4: Simplify right side
    806,917.17x = 735,567,425,747.54
  5. Step 5: Solve for x
    x = 735,567,425,747.54/806,917.17
  6. Step 6: Final answer
    x = 911,577.36

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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.