Home / 397,280.30-596,175.60-219,914.60

Finding the Fourth Proportional to 397,280.30, 596,175.60 and 219,914.60

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Solution

The fourth proportional to 397,280.30, 596,175.60 and 219,914.60 is: 330,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,280.30 : 596,175.60 = 219,914.60 : x
  2. Step 2: Convert to fraction form
    397,280.30/596,175.60 = 219,914.60/x
  3. Step 3: Cross multiply
    397,280.30x = 596,175.60 × 219,914.60
  4. Step 4: Simplify right side
    397,280.30x = 131,107,718,603.76
  5. Step 5: Solve for x
    x = 131,107,718,603.76/397,280.30
  6. Step 6: Final answer
    x = 330,013.14

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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.