Home / 1,117,620.83-1,542,273.89-634,157.12

Finding the Fourth Proportional to 1,117,620.83, 1,542,273.89 and 634,157.12

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Solution

The fourth proportional to 1,117,620.83, 1,542,273.89 and 634,157.12 is: 875,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,620.83 : 1,542,273.89 = 634,157.12 : x
  2. Step 2: Convert to fraction form
    1,117,620.83/1,542,273.89 = 634,157.12/x
  3. Step 3: Cross multiply
    1,117,620.83x = 1,542,273.89 × 634,157.12
  4. Step 4: Simplify right side
    1,117,620.83x = 978,043,957,451.44
  5. Step 5: Solve for x
    x = 978,043,957,451.44/1,117,620.83
  6. Step 6: Final answer
    x = 875,112.50

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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.