Home / 2,758,961.20-4,138,616.73-865,777.36

Finding the Fourth Proportional to 2,758,961.20, 4,138,616.73 and 865,777.36

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Solution

The fourth proportional to 2,758,961.20, 4,138,616.73 and 865,777.36 is: 1,298,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,961.20 : 4,138,616.73 = 865,777.36 : x
  2. Step 2: Convert to fraction form
    2,758,961.20/4,138,616.73 = 865,777.36/x
  3. Step 3: Cross multiply
    2,758,961.20x = 4,138,616.73 × 865,777.36
  4. Step 4: Simplify right side
    2,758,961.20x = 3,583,120,666,551.23
  5. Step 5: Solve for x
    x = 3,583,120,666,551.23/2,758,961.20
  6. Step 6: Final answer
    x = 1,298,720.93

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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.