Home / 789,297.15-1,183,748.67-309,622.44

Finding the Fourth Proportional to 789,297.15, 1,183,748.67 and 309,622.44

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Solution

The fourth proportional to 789,297.15, 1,183,748.67 and 309,622.44 is: 464,356.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,297.15 : 1,183,748.67 = 309,622.44 : x
  2. Step 2: Convert to fraction form
    789,297.15/1,183,748.67 = 309,622.44/x
  3. Step 3: Cross multiply
    789,297.15x = 1,183,748.67 × 309,622.44
  4. Step 4: Simplify right side
    789,297.15x = 366,515,151,552.16
  5. Step 5: Solve for x
    x = 366,515,151,552.16/789,297.15
  6. Step 6: Final answer
    x = 464,356.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.