Home / 928,277.01-1,392,416.73-254,364.30

Finding the Fourth Proportional to 928,277.01, 1,392,416.73 and 254,364.30

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Solution

The fourth proportional to 928,277.01, 1,392,416.73 and 254,364.30 is: 381,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,277.01 : 1,392,416.73 = 254,364.30 : x
  2. Step 2: Convert to fraction form
    928,277.01/1,392,416.73 = 254,364.30/x
  3. Step 3: Cross multiply
    928,277.01x = 1,392,416.73 × 254,364.30
  4. Step 4: Simplify right side
    928,277.01x = 354,181,106,834.74
  5. Step 5: Solve for x
    x = 354,181,106,834.74/928,277.01
  6. Step 6: Final answer
    x = 381,546.78

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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.