Home / 854,776.94-1,184,986.40-809,272.76

Finding the Fourth Proportional to 854,776.94, 1,184,986.40 and 809,272.76

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Solution

The fourth proportional to 854,776.94, 1,184,986.40 and 809,272.76 is: 1,121,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,776.94 : 1,184,986.40 = 809,272.76 : x
  2. Step 2: Convert to fraction form
    854,776.94/1,184,986.40 = 809,272.76/x
  3. Step 3: Cross multiply
    854,776.94x = 1,184,986.40 × 809,272.76
  4. Step 4: Simplify right side
    854,776.94x = 958,977,204,519.17
  5. Step 5: Solve for x
    x = 958,977,204,519.17/854,776.94
  6. Step 6: Final answer
    x = 1,121,903.46

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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.