Home / 481,029.47-721,793.18-348,999.47

Finding the Fourth Proportional to 481,029.47, 721,793.18 and 348,999.47

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Solution

The fourth proportional to 481,029.47, 721,793.18 and 348,999.47 is: 523,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,029.47 : 721,793.18 = 348,999.47 : x
  2. Step 2: Convert to fraction form
    481,029.47/721,793.18 = 348,999.47/x
  3. Step 3: Cross multiply
    481,029.47x = 721,793.18 × 348,999.47
  4. Step 4: Simplify right side
    481,029.47x = 251,905,437,269.62
  5. Step 5: Solve for x
    x = 251,905,437,269.62/481,029.47
  6. Step 6: Final answer
    x = 523,679.84

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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.