Home / 1,439,067.32-1,985,915.85-794,488.76

Finding the Fourth Proportional to 1,439,067.32, 1,985,915.85 and 794,488.76

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Solution

The fourth proportional to 1,439,067.32, 1,985,915.85 and 794,488.76 is: 1,096,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,067.32 : 1,985,915.85 = 794,488.76 : x
  2. Step 2: Convert to fraction form
    1,439,067.32/1,985,915.85 = 794,488.76/x
  3. Step 3: Cross multiply
    1,439,067.32x = 1,985,915.85 × 794,488.76
  4. Step 4: Simplify right side
    1,439,067.32x = 1,577,787,821,130.85
  5. Step 5: Solve for x
    x = 1,577,787,821,130.85/1,439,067.32
  6. Step 6: Final answer
    x = 1,096,396.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.