Home / 715,721.72-1,073,583-336,364.11

Finding the Fourth Proportional to 715,721.72, 1,073,583 and 336,364.11

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Solution

The fourth proportional to 715,721.72, 1,073,583 and 336,364.11 is: 504,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,721.72 : 1,073,583 = 336,364.11 : x
  2. Step 2: Convert to fraction form
    715,721.72/1,073,583 = 336,364.11/x
  3. Step 3: Cross multiply
    715,721.72x = 1,073,583 × 336,364.11
  4. Step 4: Simplify right side
    715,721.72x = 361,114,790,306.13
  5. Step 5: Solve for x
    x = 361,114,790,306.13/715,721.72
  6. Step 6: Final answer
    x = 504,546.37

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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.