Home / 379,623.11-569,553.12-113,394.13

Finding the Fourth Proportional to 379,623.11, 569,553.12 and 113,394.13

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Solution

The fourth proportional to 379,623.11, 569,553.12 and 113,394.13 is: 170,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,623.11 : 569,553.12 = 113,394.13 : x
  2. Step 2: Convert to fraction form
    379,623.11/569,553.12 = 113,394.13/x
  3. Step 3: Cross multiply
    379,623.11x = 569,553.12 × 113,394.13
  4. Step 4: Simplify right side
    379,623.11x = 64,583,979,107.30
  5. Step 5: Solve for x
    x = 64,583,979,107.30/379,623.11
  6. Step 6: Final answer
    x = 170,126.58

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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.