Home / 928,167.75-1,392,252.75-254,254.86

Finding the Fourth Proportional to 928,167.75, 1,392,252.75 and 254,254.86

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Solution

The fourth proportional to 928,167.75, 1,392,252.75 and 254,254.86 is: 381,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,167.75 : 1,392,252.75 = 254,254.86 : x
  2. Step 2: Convert to fraction form
    928,167.75/1,392,252.75 = 254,254.86/x
  3. Step 3: Cross multiply
    928,167.75x = 1,392,252.75 × 254,254.86
  4. Step 4: Simplify right side
    928,167.75x = 353,987,028,035.87
  5. Step 5: Solve for x
    x = 353,987,028,035.87/928,167.75
  6. Step 6: Final answer
    x = 381,382.60

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Double scale
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Similar ratio
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1.5x scale

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.