Home / 2,579,761.17-3,869,729.10-686,504.43

Finding the Fourth Proportional to 2,579,761.17, 3,869,729.10 and 686,504.43

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Solution

The fourth proportional to 2,579,761.17, 3,869,729.10 and 686,504.43 is: 1,029,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,761.17 : 3,869,729.10 = 686,504.43 : x
  2. Step 2: Convert to fraction form
    2,579,761.17/3,869,729.10 = 686,504.43/x
  3. Step 3: Cross multiply
    2,579,761.17x = 3,869,729.10 × 686,504.43
  4. Step 4: Simplify right side
    2,579,761.17x = 2,656,586,170,049.91
  5. Step 5: Solve for x
    x = 2,656,586,170,049.91/2,579,761.17
  6. Step 6: Final answer
    x = 1,029,779.89

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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.