Home / 2,579,708.85-3,869,650.75-686,452.11

Finding the Fourth Proportional to 2,579,708.85, 3,869,650.75 and 686,452.11

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Solution

The fourth proportional to 2,579,708.85, 3,869,650.75 and 686,452.11 is: 1,029,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,708.85 : 3,869,650.75 = 686,452.11 : x
  2. Step 2: Convert to fraction form
    2,579,708.85/3,869,650.75 = 686,452.11/x
  3. Step 3: Cross multiply
    2,579,708.85x = 3,869,650.75 × 686,452.11
  4. Step 4: Simplify right side
    2,579,708.85x = 2,656,329,922,300.58
  5. Step 5: Solve for x
    x = 2,656,329,922,300.58/2,579,708.85
  6. Step 6: Final answer
    x = 1,029,701.44

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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.