Home / 949,167-1,423,768.32-443,589.30

Finding the Fourth Proportional to 949,167, 1,423,768.32 and 443,589.30

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Solution

The fourth proportional to 949,167, 1,423,768.32 and 443,589.30 is: 665,392.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,167 : 1,423,768.32 = 443,589.30 : x
  2. Step 2: Convert to fraction form
    949,167/1,423,768.32 = 443,589.30/x
  3. Step 3: Cross multiply
    949,167x = 1,423,768.32 × 443,589.30
  4. Step 4: Simplify right side
    949,167x = 631,568,392,430.98
  5. Step 5: Solve for x
    x = 631,568,392,430.98/949,167
  6. Step 6: Final answer
    x = 665,392.28

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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.