Home / 1,143,375.18-1,577,846.99-627,118.58

Finding the Fourth Proportional to 1,143,375.18, 1,577,846.99 and 627,118.58

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Solution

The fourth proportional to 1,143,375.18, 1,577,846.99 and 627,118.58 is: 865,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,375.18 : 1,577,846.99 = 627,118.58 : x
  2. Step 2: Convert to fraction form
    1,143,375.18/1,577,846.99 = 627,118.58/x
  3. Step 3: Cross multiply
    1,143,375.18x = 1,577,846.99 × 627,118.58
  4. Step 4: Simplify right side
    1,143,375.18x = 989,497,157,504.64
  5. Step 5: Solve for x
    x = 989,497,157,504.64/1,143,375.18
  6. Step 6: Final answer
    x = 865,417.73

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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.