Home / 876,353.86-1,314,517.14-449,643.44

Finding the Fourth Proportional to 876,353.86, 1,314,517.14 and 449,643.44

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Solution

The fourth proportional to 876,353.86, 1,314,517.14 and 449,643.44 is: 674,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,353.86 : 1,314,517.14 = 449,643.44 : x
  2. Step 2: Convert to fraction form
    876,353.86/1,314,517.14 = 449,643.44/x
  3. Step 3: Cross multiply
    876,353.86x = 1,314,517.14 × 449,643.44
  4. Step 4: Simplify right side
    876,353.86x = 591,064,008,768.56
  5. Step 5: Solve for x
    x = 591,064,008,768.56/876,353.86
  6. Step 6: Final answer
    x = 674,458.16

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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.