Home / 393,988.05-591,033.11-180,704.52

Finding the Fourth Proportional to 393,988.05, 591,033.11 and 180,704.52

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Solution

The fourth proportional to 393,988.05, 591,033.11 and 180,704.52 is: 271,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,988.05 : 591,033.11 = 180,704.52 : x
  2. Step 2: Convert to fraction form
    393,988.05/591,033.11 = 180,704.52/x
  3. Step 3: Cross multiply
    393,988.05x = 591,033.11 × 180,704.52
  4. Step 4: Simplify right side
    393,988.05x = 106,802,353,543.14
  5. Step 5: Solve for x
    x = 106,802,353,543.14/393,988.05
  6. Step 6: Final answer
    x = 271,080.19

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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.