Home / 483,143.46-724,432.10-323,401.34

Finding the Fourth Proportional to 483,143.46, 724,432.10 and 323,401.34

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Solution

The fourth proportional to 483,143.46, 724,432.10 and 323,401.34 is: 484,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,143.46 : 724,432.10 = 323,401.34 : x
  2. Step 2: Convert to fraction form
    483,143.46/724,432.10 = 323,401.34/x
  3. Step 3: Cross multiply
    483,143.46x = 724,432.10 × 323,401.34
  4. Step 4: Simplify right side
    483,143.46x = 234,282,306,639.85
  5. Step 5: Solve for x
    x = 234,282,306,639.85/483,143.46
  6. Step 6: Final answer
    x = 484,912.51

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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.