Home / 413,189.24-620,116.02-213,568.11

Finding the Fourth Proportional to 413,189.24, 620,116.02 and 213,568.11

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Solution

The fourth proportional to 413,189.24, 620,116.02 and 213,568.11 is: 320,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,189.24 : 620,116.02 = 213,568.11 : x
  2. Step 2: Convert to fraction form
    413,189.24/620,116.02 = 213,568.11/x
  3. Step 3: Cross multiply
    413,189.24x = 620,116.02 × 213,568.11
  4. Step 4: Simplify right side
    413,189.24x = 132,437,006,372.12
  5. Step 5: Solve for x
    x = 132,437,006,372.12/413,189.24
  6. Step 6: Final answer
    x = 320,523.85

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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.