Home / 1,117,592.12-1,542,408.44-627,642.15

Finding the Fourth Proportional to 1,117,592.12, 1,542,408.44 and 627,642.15

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Solution

The fourth proportional to 1,117,592.12, 1,542,408.44 and 627,642.15 is: 866,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,592.12 : 1,542,408.44 = 627,642.15 : x
  2. Step 2: Convert to fraction form
    1,117,592.12/1,542,408.44 = 627,642.15/x
  3. Step 3: Cross multiply
    1,117,592.12x = 1,542,408.44 × 627,642.15
  4. Step 4: Simplify right side
    1,117,592.12x = 968,080,546,321.54
  5. Step 5: Solve for x
    x = 968,080,546,321.54/1,117,592.12
  6. Step 6: Final answer
    x = 866,219.91

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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.