Home / 1,264,138.80-1,891,600.20-932,362.80

Finding the Fourth Proportional to 1,264,138.80, 1,891,600.20 and 932,362.80

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Solution

The fourth proportional to 1,264,138.80, 1,891,600.20 and 932,362.80 is: 1,395,145.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,138.80 : 1,891,600.20 = 932,362.80 : x
  2. Step 2: Convert to fraction form
    1,264,138.80/1,891,600.20 = 932,362.80/x
  3. Step 3: Cross multiply
    1,264,138.80x = 1,891,600.20 × 932,362.80
  4. Step 4: Simplify right side
    1,264,138.80x = 1,763,657,658,952.56
  5. Step 5: Solve for x
    x = 1,763,657,658,952.56/1,264,138.80
  6. Step 6: Final answer
    x = 1,395,145.58

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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.