Home / 1,741,964.78-2,612,946.21-543,989.78

Finding the Fourth Proportional to 1,741,964.78, 2,612,946.21 and 543,989.78

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Solution

The fourth proportional to 1,741,964.78, 2,612,946.21 and 543,989.78 is: 815,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741,964.78 : 2,612,946.21 = 543,989.78 : x
  2. Step 2: Convert to fraction form
    1,741,964.78/2,612,946.21 = 543,989.78/x
  3. Step 3: Cross multiply
    1,741,964.78x = 2,612,946.21 × 543,989.78
  4. Step 4: Simplify right side
    1,741,964.78x = 1,421,416,033,929.73
  5. Step 5: Solve for x
    x = 1,421,416,033,929.73/1,741,964.78
  6. Step 6: Final answer
    x = 815,984.37

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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.