Home / 347,941.25-480,170.75-331,998.02

Finding the Fourth Proportional to 347,941.25, 480,170.75 and 331,998.02

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Solution

The fourth proportional to 347,941.25, 480,170.75 and 331,998.02 is: 458,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,941.25 : 480,170.75 = 331,998.02 : x
  2. Step 2: Convert to fraction form
    347,941.25/480,170.75 = 331,998.02/x
  3. Step 3: Cross multiply
    347,941.25x = 480,170.75 × 331,998.02
  4. Step 4: Simplify right side
    347,941.25x = 159,415,739,047.34
  5. Step 5: Solve for x
    x = 159,415,739,047.34/347,941.25
  6. Step 6: Final answer
    x = 458,168.55

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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.