Home / 911,561.82-1,367,743.62-484,997.34

Finding the Fourth Proportional to 911,561.82, 1,367,743.62 and 484,997.34

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Solution

The fourth proportional to 911,561.82, 1,367,743.62 and 484,997.34 is: 727,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,561.82 : 1,367,743.62 = 484,997.34 : x
  2. Step 2: Convert to fraction form
    911,561.82/1,367,743.62 = 484,997.34/x
  3. Step 3: Cross multiply
    911,561.82x = 1,367,743.62 × 484,997.34
  4. Step 4: Simplify right side
    911,561.82x = 663,352,017,501.97
  5. Step 5: Solve for x
    x = 663,352,017,501.97/911,561.82
  6. Step 6: Final answer
    x = 727,709.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.