Home / 379,523.22-569,378.25-267,422.34

Finding the Fourth Proportional to 379,523.22, 569,378.25 and 267,422.34

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Solution

The fourth proportional to 379,523.22, 569,378.25 and 267,422.34 is: 401,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,523.22 : 569,378.25 = 267,422.34 : x
  2. Step 2: Convert to fraction form
    379,523.22/569,378.25 = 267,422.34/x
  3. Step 3: Cross multiply
    379,523.22x = 569,378.25 × 267,422.34
  4. Step 4: Simplify right side
    379,523.22x = 152,264,463,960.11
  5. Step 5: Solve for x
    x = 152,264,463,960.11/379,523.22
  6. Step 6: Final answer
    x = 401,199.34

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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.