Home / 876,418.91-1,314,773.62-307,652.43

Finding the Fourth Proportional to 876,418.91, 1,314,773.62 and 307,652.43

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Solution

The fourth proportional to 876,418.91, 1,314,773.62 and 307,652.43 is: 461,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,418.91 : 1,314,773.62 = 307,652.43 : x
  2. Step 2: Convert to fraction form
    876,418.91/1,314,773.62 = 307,652.43/x
  3. Step 3: Cross multiply
    876,418.91x = 1,314,773.62 × 307,652.43
  4. Step 4: Simplify right side
    876,418.91x = 404,493,298,323.77
  5. Step 5: Solve for x
    x = 404,493,298,323.77/876,418.91
  6. Step 6: Final answer
    x = 461,529.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.