Home / 1,213,181.78-1,674,179.26-669,321.95

Finding the Fourth Proportional to 1,213,181.78, 1,674,179.26 and 669,321.95

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Solution

The fourth proportional to 1,213,181.78, 1,674,179.26 and 669,321.95 is: 923,657.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,181.78 : 1,674,179.26 = 669,321.95 : x
  2. Step 2: Convert to fraction form
    1,213,181.78/1,674,179.26 = 669,321.95/x
  3. Step 3: Cross multiply
    1,213,181.78x = 1,674,179.26 × 669,321.95
  4. Step 4: Simplify right side
    1,213,181.78x = 1,120,564,916,908.56
  5. Step 5: Solve for x
    x = 1,120,564,916,908.56/1,213,181.78
  6. Step 6: Final answer
    x = 923,657.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.