Home / 572,306.82-789,820.38-330,599.58

Finding the Fourth Proportional to 572,306.82, 789,820.38 and 330,599.58

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Solution

The fourth proportional to 572,306.82, 789,820.38 and 330,599.58 is: 456,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,306.82 : 789,820.38 = 330,599.58 : x
  2. Step 2: Convert to fraction form
    572,306.82/789,820.38 = 330,599.58/x
  3. Step 3: Cross multiply
    572,306.82x = 789,820.38 × 330,599.58
  4. Step 4: Simplify right side
    572,306.82x = 261,114,285,903.44
  5. Step 5: Solve for x
    x = 261,114,285,903.44/572,306.82
  6. Step 6: Final answer
    x = 456,248.78

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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.