Home / 383,359.16-529,037.80-222,309.83

Finding the Fourth Proportional to 383,359.16, 529,037.80 and 222,309.83

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Solution

The fourth proportional to 383,359.16, 529,037.80 and 222,309.83 is: 306,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,359.16 : 529,037.80 = 222,309.83 : x
  2. Step 2: Convert to fraction form
    383,359.16/529,037.80 = 222,309.83/x
  3. Step 3: Cross multiply
    383,359.16x = 529,037.80 × 222,309.83
  4. Step 4: Simplify right side
    383,359.16x = 117,610,304,148.39
  5. Step 5: Solve for x
    x = 117,610,304,148.39/383,359.16
  6. Step 6: Final answer
    x = 306,788.82

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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.