Home / 2,798,584.56-4,198,176.86-776,837.00

Finding the Fourth Proportional to 2,798,584.56, 4,198,176.86 and 776,837.00

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Solution

The fourth proportional to 2,798,584.56, 4,198,176.86 and 776,837.00 is: 1,165,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,584.56 : 4,198,176.86 = 776,837.00 : x
  2. Step 2: Convert to fraction form
    2,798,584.56/4,198,176.86 = 776,837.00/x
  3. Step 3: Cross multiply
    2,798,584.56x = 4,198,176.86 × 776,837.00
  4. Step 4: Simplify right side
    2,798,584.56x = 3,261,299,124,003.08
  5. Step 5: Solve for x
    x = 3,261,299,124,003.08/2,798,584.56
  6. Step 6: Final answer
    x = 1,165,338.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.