Home / 1,165,791.33-1,608,727.86-642,398.85

Finding the Fourth Proportional to 1,165,791.33, 1,608,727.86 and 642,398.85

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Solution

The fourth proportional to 1,165,791.33, 1,608,727.86 and 642,398.85 is: 886,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,791.33 : 1,608,727.86 = 642,398.85 : x
  2. Step 2: Convert to fraction form
    1,165,791.33/1,608,727.86 = 642,398.85/x
  3. Step 3: Cross multiply
    1,165,791.33x = 1,608,727.86 × 642,398.85
  4. Step 4: Simplify right side
    1,165,791.33x = 1,033,444,927,226.96
  5. Step 5: Solve for x
    x = 1,033,444,927,226.96/1,165,791.33
  6. Step 6: Final answer
    x = 886,475.05

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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.