Home / 481,428.17-722,277.20-193,442.03

Finding the Fourth Proportional to 481,428.17, 722,277.20 and 193,442.03

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Solution

The fourth proportional to 481,428.17, 722,277.20 and 193,442.03 is: 290,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,428.17 : 722,277.20 = 193,442.03 : x
  2. Step 2: Convert to fraction form
    481,428.17/722,277.20 = 193,442.03/x
  3. Step 3: Cross multiply
    481,428.17x = 722,277.20 × 193,442.03
  4. Step 4: Simplify right side
    481,428.17x = 139,718,767,790.72
  5. Step 5: Solve for x
    x = 139,718,767,790.72/481,428.17
  6. Step 6: Final answer
    x = 290,217.27

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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.