Home / 726,150.24-1,002,100.21-403,860.48

Finding the Fourth Proportional to 726,150.24, 1,002,100.21 and 403,860.48

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Solution

The fourth proportional to 726,150.24, 1,002,100.21 and 403,860.48 is: 557,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,150.24 : 1,002,100.21 = 403,860.48 : x
  2. Step 2: Convert to fraction form
    726,150.24/1,002,100.21 = 403,860.48/x
  3. Step 3: Cross multiply
    726,150.24x = 1,002,100.21 × 403,860.48
  4. Step 4: Simplify right side
    726,150.24x = 404,708,671,818.70
  5. Step 5: Solve for x
    x = 404,708,671,818.70/726,150.24
  6. Step 6: Final answer
    x = 557,334.63

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1.5x scale

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.