Home / 1,282,206.78-1,760,179.63-1,100,603.41

Finding the Fourth Proportional to 1,282,206.78, 1,760,179.63 and 1,100,603.41

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Solution

The fourth proportional to 1,282,206.78, 1,760,179.63 and 1,100,603.41 is: 1,510,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,206.78 : 1,760,179.63 = 1,100,603.41 : x
  2. Step 2: Convert to fraction form
    1,282,206.78/1,760,179.63 = 1,100,603.41/x
  3. Step 3: Cross multiply
    1,282,206.78x = 1,760,179.63 × 1,100,603.41
  4. Step 4: Simplify right side
    1,282,206.78x = 1,937,259,702,990.54
  5. Step 5: Solve for x
    x = 1,937,259,702,990.54/1,282,206.78
  6. Step 6: Final answer
    x = 1,510,879.32

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.