Home / 1,196,921.87-1,649,822.64-809,596.04

Finding the Fourth Proportional to 1,196,921.87, 1,649,822.64 and 809,596.04

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Solution

The fourth proportional to 1,196,921.87, 1,649,822.64 and 809,596.04 is: 1,115,937.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,921.87 : 1,649,822.64 = 809,596.04 : x
  2. Step 2: Convert to fraction form
    1,196,921.87/1,649,822.64 = 809,596.04/x
  3. Step 3: Cross multiply
    1,196,921.87x = 1,649,822.64 × 809,596.04
  4. Step 4: Simplify right side
    1,196,921.87x = 1,335,689,865,773.24
  5. Step 5: Solve for x
    x = 1,335,689,865,773.24/1,196,921.87
  6. Step 6: Final answer
    x = 1,115,937.39

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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.