Home / 383,384.18-529,072.26-222,334.71

Finding the Fourth Proportional to 383,384.18, 529,072.26 and 222,334.71

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Solution

The fourth proportional to 383,384.18, 529,072.26 and 222,334.71 is: 306,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,384.18 : 529,072.26 = 222,334.71 : x
  2. Step 2: Convert to fraction form
    383,384.18/529,072.26 = 222,334.71/x
  3. Step 3: Cross multiply
    383,384.18x = 529,072.26 × 222,334.71
  4. Step 4: Simplify right side
    383,384.18x = 117,631,127,496.15
  5. Step 5: Solve for x
    x = 117,631,127,496.15/383,384.18
  6. Step 6: Final answer
    x = 306,823.12

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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.