Home / 571,998.26-789,342.54-313,874.41

Finding the Fourth Proportional to 571,998.26, 789,342.54 and 313,874.41

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Solution

The fourth proportional to 571,998.26, 789,342.54 and 313,874.41 is: 433,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,998.26 : 789,342.54 = 313,874.41 : x
  2. Step 2: Convert to fraction form
    571,998.26/789,342.54 = 313,874.41/x
  3. Step 3: Cross multiply
    571,998.26x = 789,342.54 × 313,874.41
  4. Step 4: Simplify right side
    571,998.26x = 247,754,420,083.69
  5. Step 5: Solve for x
    x = 247,754,420,083.69/571,998.26
  6. Step 6: Final answer
    x = 433,138.42

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1.5x scale

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.