Home / 481,106.57-721,161.58-395,972.22

Finding the Fourth Proportional to 481,106.57, 721,161.58 and 395,972.22

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Solution

The fourth proportional to 481,106.57, 721,161.58 and 395,972.22 is: 593,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,106.57 : 721,161.58 = 395,972.22 : x
  2. Step 2: Convert to fraction form
    481,106.57/721,161.58 = 395,972.22/x
  3. Step 3: Cross multiply
    481,106.57x = 721,161.58 × 395,972.22
  4. Step 4: Simplify right side
    481,106.57x = 285,559,949,831.45
  5. Step 5: Solve for x
    x = 285,559,949,831.45/481,106.57
  6. Step 6: Final answer
    x = 593,548.22

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1.5x scale

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.