Home / 1,250,816.63-1,726,128.45-677,856.80

Finding the Fourth Proportional to 1,250,816.63, 1,726,128.45 and 677,856.80

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Solution

The fourth proportional to 1,250,816.63, 1,726,128.45 and 677,856.80 is: 935,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,816.63 : 1,726,128.45 = 677,856.80 : x
  2. Step 2: Convert to fraction form
    1,250,816.63/1,726,128.45 = 677,856.80/x
  3. Step 3: Cross multiply
    1,250,816.63x = 1,726,128.45 × 677,856.80
  4. Step 4: Simplify right side
    1,250,816.63x = 1,170,067,911,821.28
  5. Step 5: Solve for x
    x = 1,170,067,911,821.28/1,250,816.63
  6. Step 6: Final answer
    x = 935,443.20

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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.