Home / 694,585.11-1,041,912.61-221,307.38

Finding the Fourth Proportional to 694,585.11, 1,041,912.61 and 221,307.38

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Solution

The fourth proportional to 694,585.11, 1,041,912.61 and 221,307.38 is: 331,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,585.11 : 1,041,912.61 = 221,307.38 : x
  2. Step 2: Convert to fraction form
    694,585.11/1,041,912.61 = 221,307.38/x
  3. Step 3: Cross multiply
    694,585.11x = 1,041,912.61 × 221,307.38
  4. Step 4: Simplify right side
    694,585.11x = 230,582,949,908.06
  5. Step 5: Solve for x
    x = 230,582,949,908.06/694,585.11
  6. Step 6: Final answer
    x = 331,972.20

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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.