Home / 928,183.10-1,392,275.76-254,270.21

Finding the Fourth Proportional to 928,183.10, 1,392,275.76 and 254,270.21

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Solution

The fourth proportional to 928,183.10, 1,392,275.76 and 254,270.21 is: 381,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,183.10 : 1,392,275.76 = 254,270.21 : x
  2. Step 2: Convert to fraction form
    928,183.10/1,392,275.76 = 254,270.21/x
  3. Step 3: Cross multiply
    928,183.10x = 1,392,275.76 × 254,270.21
  4. Step 4: Simplify right side
    928,183.10x = 354,014,241,958.22
  5. Step 5: Solve for x
    x = 354,014,241,958.22/928,183.10
  6. Step 6: Final answer
    x = 381,405.61

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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.