Home / 397,269.30-596,159.10-219,903.60

Finding the Fourth Proportional to 397,269.30, 596,159.10 and 219,903.60

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Solution

The fourth proportional to 397,269.30, 596,159.10 and 219,903.60 is: 329,996.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,269.30 : 596,159.10 = 219,903.60 : x
  2. Step 2: Convert to fraction form
    397,269.30/596,159.10 = 219,903.60/x
  3. Step 3: Cross multiply
    397,269.30x = 596,159.10 × 219,903.60
  4. Step 4: Simplify right side
    397,269.30x = 131,097,532,262.76
  5. Step 5: Solve for x
    x = 131,097,532,262.76/397,269.30
  6. Step 6: Final answer
    x = 329,996.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.