Home / 483,172.96-724,964.18-258,474.52

Finding the Fourth Proportional to 483,172.96, 724,964.18 and 258,474.52

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Solution

The fourth proportional to 483,172.96, 724,964.18 and 258,474.52 is: 387,821.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,172.96 : 724,964.18 = 258,474.52 : x
  2. Step 2: Convert to fraction form
    483,172.96/724,964.18 = 258,474.52/x
  3. Step 3: Cross multiply
    483,172.96x = 724,964.18 × 258,474.52
  4. Step 4: Simplify right side
    483,172.96x = 187,384,768,442.69
  5. Step 5: Solve for x
    x = 187,384,768,442.69/483,172.96
  6. Step 6: Final answer
    x = 387,821.31

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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.