Home / 722,469.02-1,084,403.38-348,754.46

Finding the Fourth Proportional to 722,469.02, 1,084,403.38 and 348,754.46

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Solution

The fourth proportional to 722,469.02, 1,084,403.38 and 348,754.46 is: 523,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,469.02 : 1,084,403.38 = 348,754.46 : x
  2. Step 2: Convert to fraction form
    722,469.02/1,084,403.38 = 348,754.46/x
  3. Step 3: Cross multiply
    722,469.02x = 1,084,403.38 × 348,754.46
  4. Step 4: Simplify right side
    722,469.02x = 378,190,515,214.08
  5. Step 5: Solve for x
    x = 378,190,515,214.08/722,469.02
  6. Step 6: Final answer
    x = 523,469.53

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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.