Home / 1,692,391.56-2,538,961.10-627,433.68

Finding the Fourth Proportional to 1,692,391.56, 2,538,961.10 and 627,433.68

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Solution

The fourth proportional to 1,692,391.56, 2,538,961.10 and 627,433.68 is: 941,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,391.56 : 2,538,961.10 = 627,433.68 : x
  2. Step 2: Convert to fraction form
    1,692,391.56/2,538,961.10 = 627,433.68/x
  3. Step 3: Cross multiply
    1,692,391.56x = 2,538,961.10 × 627,433.68
  4. Step 4: Simplify right side
    1,692,391.56x = 1,593,029,706,349.85
  5. Step 5: Solve for x
    x = 1,593,029,706,349.85/1,692,391.56
  6. Step 6: Final answer
    x = 941,289.09

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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.