Home / 1,289,227.78-1,933,343.52-436,072.60

Finding the Fourth Proportional to 1,289,227.78, 1,933,343.52 and 436,072.60

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Solution

The fourth proportional to 1,289,227.78, 1,933,343.52 and 436,072.60 is: 653,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,227.78 : 1,933,343.52 = 436,072.60 : x
  2. Step 2: Convert to fraction form
    1,289,227.78/1,933,343.52 = 436,072.60/x
  3. Step 3: Cross multiply
    1,289,227.78x = 1,933,343.52 × 436,072.60
  4. Step 4: Simplify right side
    1,289,227.78x = 843,078,135,459.55
  5. Step 5: Solve for x
    x = 843,078,135,459.55/1,289,227.78
  6. Step 6: Final answer
    x = 653,940.40

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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.