Home / 1,777,896.70-2,664,771.45-712,411.90

Finding the Fourth Proportional to 1,777,896.70, 2,664,771.45 and 712,411.90

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Solution

The fourth proportional to 1,777,896.70, 2,664,771.45 and 712,411.90 is: 1,067,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,896.70 : 2,664,771.45 = 712,411.90 : x
  2. Step 2: Convert to fraction form
    1,777,896.70/2,664,771.45 = 712,411.90/x
  3. Step 3: Cross multiply
    1,777,896.70x = 2,664,771.45 × 712,411.90
  4. Step 4: Simplify right side
    1,777,896.70x = 1,898,414,891,760.26
  5. Step 5: Solve for x
    x = 1,898,414,891,760.26/1,777,896.70
  6. Step 6: Final answer
    x = 1,067,786.95

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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.