Home / 1,112,407.44-1,535,113.20-629,067.60

Finding the Fourth Proportional to 1,112,407.44, 1,535,113.20 and 629,067.60

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Solution

The fourth proportional to 1,112,407.44, 1,535,113.20 and 629,067.60 is: 868,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,407.44 : 1,535,113.20 = 629,067.60 : x
  2. Step 2: Convert to fraction form
    1,112,407.44/1,535,113.20 = 629,067.60/x
  3. Step 3: Cross multiply
    1,112,407.44x = 1,535,113.20 × 629,067.60
  4. Step 4: Simplify right side
    1,112,407.44x = 965,689,976,452.32
  5. Step 5: Solve for x
    x = 965,689,976,452.32/1,112,407.44
  6. Step 6: Final answer
    x = 868,108.16

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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.