Home / 1,067,725.02-1,601,728.46-394,279.68

Finding the Fourth Proportional to 1,067,725.02, 1,601,728.46 and 394,279.68

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Solution

The fourth proportional to 1,067,725.02, 1,601,728.46 and 394,279.68 is: 591,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,725.02 : 1,601,728.46 = 394,279.68 : x
  2. Step 2: Convert to fraction form
    1,067,725.02/1,601,728.46 = 394,279.68/x
  3. Step 3: Cross multiply
    1,067,725.02x = 1,601,728.46 × 394,279.68
  4. Step 4: Simplify right side
    1,067,725.02x = 631,528,984,655.69
  5. Step 5: Solve for x
    x = 631,528,984,655.69/1,067,725.02
  6. Step 6: Final answer
    x = 591,471.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.