Home / 928,363.55-1,392,533.97-254,444.30

Finding the Fourth Proportional to 928,363.55, 1,392,533.97 and 254,444.30

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Solution

The fourth proportional to 928,363.55, 1,392,533.97 and 254,444.30 is: 381,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,363.55 : 1,392,533.97 = 254,444.30 : x
  2. Step 2: Convert to fraction form
    928,363.55/1,392,533.97 = 254,444.30/x
  3. Step 3: Cross multiply
    928,363.55x = 1,392,533.97 × 254,444.30
  4. Step 4: Simplify right side
    928,363.55x = 354,322,324,260.20
  5. Step 5: Solve for x
    x = 354,322,324,260.20/928,363.55
  6. Step 6: Final answer
    x = 381,663.33

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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.