Home / 383,223.30-528,848.28-222,171.72

Finding the Fourth Proportional to 383,223.30, 528,848.28 and 222,171.72

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Solution

The fourth proportional to 383,223.30, 528,848.28 and 222,171.72 is: 306,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,223.30 : 528,848.28 = 222,171.72 : x
  2. Step 2: Convert to fraction form
    383,223.30/528,848.28 = 222,171.72/x
  3. Step 3: Cross multiply
    383,223.30x = 528,848.28 × 222,171.72
  4. Step 4: Simplify right side
    383,223.30x = 117,495,131,986.64
  5. Step 5: Solve for x
    x = 117,495,131,986.64/383,223.30
  6. Step 6: Final answer
    x = 306,597.05

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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.