Home / 1,055,198.46-1,456,200.78-647,525.46

Finding the Fourth Proportional to 1,055,198.46, 1,456,200.78 and 647,525.46

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Solution

The fourth proportional to 1,055,198.46, 1,456,200.78 and 647,525.46 is: 893,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,198.46 : 1,456,200.78 = 647,525.46 : x
  2. Step 2: Convert to fraction form
    1,055,198.46/1,456,200.78 = 647,525.46/x
  3. Step 3: Cross multiply
    1,055,198.46x = 1,456,200.78 × 647,525.46
  4. Step 4: Simplify right side
    1,055,198.46x = 942,927,079,921.86
  5. Step 5: Solve for x
    x = 942,927,079,921.86/1,055,198.46
  6. Step 6: Final answer
    x = 893,601.65

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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.