Home / 383,316.84-528,982.98-222,183.24

Finding the Fourth Proportional to 383,316.84, 528,982.98 and 222,183.24

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Solution

The fourth proportional to 383,316.84, 528,982.98 and 222,183.24 is: 306,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,316.84 : 528,982.98 = 222,183.24 : x
  2. Step 2: Convert to fraction form
    383,316.84/528,982.98 = 222,183.24/x
  3. Step 3: Cross multiply
    383,316.84x = 528,982.98 × 222,183.24
  4. Step 4: Simplify right side
    383,316.84x = 117,531,152,401.26
  5. Step 5: Solve for x
    x = 117,531,152,401.26/383,316.84
  6. Step 6: Final answer
    x = 306,616.20

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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.