Home / 572,022.12-789,388.38-313,903.38

Finding the Fourth Proportional to 572,022.12, 789,388.38 and 313,903.38

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Solution

The fourth proportional to 572,022.12, 789,388.38 and 313,903.38 is: 433,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,022.12 : 789,388.38 = 313,903.38 : x
  2. Step 2: Convert to fraction form
    572,022.12/789,388.38 = 313,903.38/x
  3. Step 3: Cross multiply
    572,022.12x = 789,388.38 × 313,903.38
  4. Step 4: Simplify right side
    572,022.12x = 247,791,680,614.72
  5. Step 5: Solve for x
    x = 247,791,680,614.72/572,022.12
  6. Step 6: Final answer
    x = 433,185.49

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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.