Home / 1,118,091.85-1,542,992.13-634,611.76

Finding the Fourth Proportional to 1,118,091.85, 1,542,992.13 and 634,611.76

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Solution

The fourth proportional to 1,118,091.85, 1,542,992.13 and 634,611.76 is: 875,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,091.85 : 1,542,992.13 = 634,611.76 : x
  2. Step 2: Convert to fraction form
    1,118,091.85/1,542,992.13 = 634,611.76/x
  3. Step 3: Cross multiply
    1,118,091.85x = 1,542,992.13 × 634,611.76
  4. Step 4: Simplify right side
    1,118,091.85x = 979,200,947,427.97
  5. Step 5: Solve for x
    x = 979,200,947,427.97/1,118,091.85
  6. Step 6: Final answer
    x = 875,778.63

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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.