Home / 854,784.69-1,184,997.16-809,280.51

Finding the Fourth Proportional to 854,784.69, 1,184,997.16 and 809,280.51

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Solution

The fourth proportional to 854,784.69, 1,184,997.16 and 809,280.51 is: 1,121,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,784.69 : 1,184,997.16 = 809,280.51 : x
  2. Step 2: Convert to fraction form
    854,784.69/1,184,997.16 = 809,280.51/x
  3. Step 3: Cross multiply
    854,784.69x = 1,184,997.16 × 809,280.51
  4. Step 4: Simplify right side
    854,784.69x = 958,995,105,993.35
  5. Step 5: Solve for x
    x = 958,995,105,993.35/854,784.69
  6. Step 6: Final answer
    x = 1,121,914.23

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.