Home / 1,196,918.87-1,649,818.50-809,593.04

Finding the Fourth Proportional to 1,196,918.87, 1,649,818.50 and 809,593.04

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Solution

The fourth proportional to 1,196,918.87, 1,649,818.50 and 809,593.04 is: 1,115,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,918.87 : 1,649,818.50 = 809,593.04 : x
  2. Step 2: Convert to fraction form
    1,196,918.87/1,649,818.50 = 809,593.04/x
  3. Step 3: Cross multiply
    1,196,918.87x = 1,649,818.50 × 809,593.04
  4. Step 4: Simplify right side
    1,196,918.87x = 1,335,681,563,578.17
  5. Step 5: Solve for x
    x = 1,335,681,563,578.17/1,196,918.87
  6. Step 6: Final answer
    x = 1,115,933.25

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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.