Home / 831,867.16-1,147,977.44-449,893.94

Finding the Fourth Proportional to 831,867.16, 1,147,977.44 and 449,893.94

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Solution

The fourth proportional to 831,867.16, 1,147,977.44 and 449,893.94 is: 620,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,867.16 : 1,147,977.44 = 449,893.94 : x
  2. Step 2: Convert to fraction form
    831,867.16/1,147,977.44 = 449,893.94/x
  3. Step 3: Cross multiply
    831,867.16x = 1,147,977.44 × 449,893.94
  4. Step 4: Simplify right side
    831,867.16x = 516,468,096,382.66
  5. Step 5: Solve for x
    x = 516,468,096,382.66/831,867.16
  6. Step 6: Final answer
    x = 620,854.05

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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.