Home / 548,967.46-822,880.28-212,239.38

Finding the Fourth Proportional to 548,967.46, 822,880.28 and 212,239.38

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Solution

The fourth proportional to 548,967.46, 822,880.28 and 212,239.38 is: 318,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,967.46 : 822,880.28 = 212,239.38 : x
  2. Step 2: Convert to fraction form
    548,967.46/822,880.28 = 212,239.38/x
  3. Step 3: Cross multiply
    548,967.46x = 822,880.28 × 212,239.38
  4. Step 4: Simplify right side
    548,967.46x = 174,647,600,441.43
  5. Step 5: Solve for x
    x = 174,647,600,441.43/548,967.46
  6. Step 6: Final answer
    x = 318,138.35

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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.