Home / 440,736.60-661,796.10-301,114.20

Finding the Fourth Proportional to 440,736.60, 661,796.10 and 301,114.20

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Solution

The fourth proportional to 440,736.60, 661,796.10 and 301,114.20 is: 452,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,736.60 : 661,796.10 = 301,114.20 : x
  2. Step 2: Convert to fraction form
    440,736.60/661,796.10 = 301,114.20/x
  3. Step 3: Cross multiply
    440,736.60x = 661,796.10 × 301,114.20
  4. Step 4: Simplify right side
    440,736.60x = 199,276,203,214.62
  5. Step 5: Solve for x
    x = 199,276,203,214.62/440,736.60
  6. Step 6: Final answer
    x = 452,143.53

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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.