Home / 481,723.30-664,730.75-274,994.39

Finding the Fourth Proportional to 481,723.30, 664,730.75 and 274,994.39

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Solution

The fourth proportional to 481,723.30, 664,730.75 and 274,994.39 is: 379,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,723.30 : 664,730.75 = 274,994.39 : x
  2. Step 2: Convert to fraction form
    481,723.30/664,730.75 = 274,994.39/x
  3. Step 3: Cross multiply
    481,723.30x = 664,730.75 × 274,994.39
  4. Step 4: Simplify right side
    481,723.30x = 182,797,229,459.81
  5. Step 5: Solve for x
    x = 182,797,229,459.81/481,723.30
  6. Step 6: Final answer
    x = 379,465.20

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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.