Home / 756,310.53-1,133,782.01-276,199.61

Finding the Fourth Proportional to 756,310.53, 1,133,782.01 and 276,199.61

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Solution

The fourth proportional to 756,310.53, 1,133,782.01 and 276,199.61 is: 414,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,310.53 : 1,133,782.01 = 276,199.61 : x
  2. Step 2: Convert to fraction form
    756,310.53/1,133,782.01 = 276,199.61/x
  3. Step 3: Cross multiply
    756,310.53x = 1,133,782.01 × 276,199.61
  4. Step 4: Simplify right side
    756,310.53x = 313,150,141,937.11
  5. Step 5: Solve for x
    x = 313,150,141,937.11/756,310.53
  6. Step 6: Final answer
    x = 414,049.69

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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.