Home / 1,178,760.60-1,626,976.11-720,261.26

Finding the Fourth Proportional to 1,178,760.60, 1,626,976.11 and 720,261.26

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Solution

The fourth proportional to 1,178,760.60, 1,626,976.11 and 720,261.26 is: 994,135.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,760.60 : 1,626,976.11 = 720,261.26 : x
  2. Step 2: Convert to fraction form
    1,178,760.60/1,626,976.11 = 720,261.26/x
  3. Step 3: Cross multiply
    1,178,760.60x = 1,626,976.11 × 720,261.26
  4. Step 4: Simplify right side
    1,178,760.60x = 1,171,847,860,944.78
  5. Step 5: Solve for x
    x = 1,171,847,860,944.78/1,178,760.60
  6. Step 6: Final answer
    x = 994,135.59

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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.