Home / 1,135,811.40-1,704,039-462,375.80

Finding the Fourth Proportional to 1,135,811.40, 1,704,039 and 462,375.80

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Solution

The fourth proportional to 1,135,811.40, 1,704,039 and 462,375.80 is: 693,694.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,811.40 : 1,704,039 = 462,375.80 : x
  2. Step 2: Convert to fraction form
    1,135,811.40/1,704,039 = 462,375.80/x
  3. Step 3: Cross multiply
    1,135,811.40x = 1,704,039 × 462,375.80
  4. Step 4: Simplify right side
    1,135,811.40x = 787,906,395,856.20
  5. Step 5: Solve for x
    x = 787,906,395,856.20/1,135,811.40
  6. Step 6: Final answer
    x = 693,694.74

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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.