Home / 571,825.23-789,113.12-317,169.87

Finding the Fourth Proportional to 571,825.23, 789,113.12 and 317,169.87

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Solution

The fourth proportional to 571,825.23, 789,113.12 and 317,169.87 is: 437,691.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,825.23 : 789,113.12 = 317,169.87 : x
  2. Step 2: Convert to fraction form
    571,825.23/789,113.12 = 317,169.87/x
  3. Step 3: Cross multiply
    571,825.23x = 789,113.12 × 317,169.87
  4. Step 4: Simplify right side
    571,825.23x = 250,282,904,099.85
  5. Step 5: Solve for x
    x = 250,282,904,099.85/571,825.23
  6. Step 6: Final answer
    x = 437,691.26

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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.