Home / 572,022.21-789,388.49-313,903.50

Finding the Fourth Proportional to 572,022.21, 789,388.49 and 313,903.50

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Solution

The fourth proportional to 572,022.21, 789,388.49 and 313,903.50 is: 433,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,022.21 : 789,388.49 = 313,903.50 : x
  2. Step 2: Convert to fraction form
    572,022.21/789,388.49 = 313,903.50/x
  3. Step 3: Cross multiply
    572,022.21x = 789,388.49 × 313,903.50
  4. Step 4: Simplify right side
    572,022.21x = 247,791,809,870.72
  5. Step 5: Solve for x
    x = 247,791,809,870.72/572,022.21
  6. Step 6: Final answer
    x = 433,185.64

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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.