Home / 1,136,642.40-1,568,454.84-627,311.88

Finding the Fourth Proportional to 1,136,642.40, 1,568,454.84 and 627,311.88

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Solution

The fourth proportional to 1,136,642.40, 1,568,454.84 and 627,311.88 is: 865,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,642.40 : 1,568,454.84 = 627,311.88 : x
  2. Step 2: Convert to fraction form
    1,136,642.40/1,568,454.84 = 627,311.88/x
  3. Step 3: Cross multiply
    1,136,642.40x = 1,568,454.84 × 627,311.88
  4. Step 4: Simplify right side
    1,136,642.40x = 983,910,354,375.50
  5. Step 5: Solve for x
    x = 983,910,354,375.50/1,136,642.40
  6. Step 6: Final answer
    x = 865,628.76

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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.