Home / 928,161.16-1,392,242.85-254,248.27

Finding the Fourth Proportional to 928,161.16, 1,392,242.85 and 254,248.27

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Solution

The fourth proportional to 928,161.16, 1,392,242.85 and 254,248.27 is: 381,372.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,161.16 : 1,392,242.85 = 254,248.27 : x
  2. Step 2: Convert to fraction form
    928,161.16/1,392,242.85 = 254,248.27/x
  3. Step 3: Cross multiply
    928,161.16x = 1,392,242.85 × 254,248.27
  4. Step 4: Simplify right side
    928,161.16x = 353,975,336,032.37
  5. Step 5: Solve for x
    x = 353,975,336,032.37/928,161.16
  6. Step 6: Final answer
    x = 381,372.71

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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.