Home / 1,417,422.28-2,125,770.54-419,917

Finding the Fourth Proportional to 1,417,422.28, 2,125,770.54 and 419,917

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Solution

The fourth proportional to 1,417,422.28, 2,125,770.54 and 419,917 is: 629,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,422.28 : 2,125,770.54 = 419,917 : x
  2. Step 2: Convert to fraction form
    1,417,422.28/2,125,770.54 = 419,917/x
  3. Step 3: Cross multiply
    1,417,422.28x = 2,125,770.54 × 419,917
  4. Step 4: Simplify right side
    1,417,422.28x = 892,647,187,845.18
  5. Step 5: Solve for x
    x = 892,647,187,845.18/1,417,422.28
  6. Step 6: Final answer
    x = 629,768.00

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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.