Home / 383,865.58-529,839.93-222,772.51

Finding the Fourth Proportional to 383,865.58, 529,839.93 and 222,772.51

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Solution

The fourth proportional to 383,865.58, 529,839.93 and 222,772.51 is: 307,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,865.58 : 529,839.93 = 222,772.51 : x
  2. Step 2: Convert to fraction form
    383,865.58/529,839.93 = 222,772.51/x
  3. Step 3: Cross multiply
    383,865.58x = 529,839.93 × 222,772.51
  4. Step 4: Simplify right side
    383,865.58x = 118,033,771,104.32
  5. Step 5: Solve for x
    x = 118,033,771,104.32/383,865.58
  6. Step 6: Final answer
    x = 307,487.25

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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.