Home / 347,039.21-519,619.69-226,796.58

Finding the Fourth Proportional to 347,039.21, 519,619.69 and 226,796.58

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Solution

The fourth proportional to 347,039.21, 519,619.69 and 226,796.58 is: 339,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,039.21 : 519,619.69 = 226,796.58 : x
  2. Step 2: Convert to fraction form
    347,039.21/519,619.69 = 226,796.58/x
  3. Step 3: Cross multiply
    347,039.21x = 519,619.69 × 226,796.58
  4. Step 4: Simplify right side
    347,039.21x = 117,847,968,876.16
  5. Step 5: Solve for x
    x = 117,847,968,876.16/347,039.21
  6. Step 6: Final answer
    x = 339,581.13

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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.