Home / 928,173.97-1,392,262.15-254,261.19

Finding the Fourth Proportional to 928,173.97, 1,392,262.15 and 254,261.19

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Solution

The fourth proportional to 928,173.97, 1,392,262.15 and 254,261.19 is: 381,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,173.97 : 1,392,262.15 = 254,261.19 : x
  2. Step 2: Convert to fraction form
    928,173.97/1,392,262.15 = 254,261.19/x
  3. Step 3: Cross multiply
    928,173.97x = 1,392,262.15 × 254,261.19
  4. Step 4: Simplify right side
    928,173.97x = 353,998,229,779.65
  5. Step 5: Solve for x
    x = 353,998,229,779.65/928,173.97
  6. Step 6: Final answer
    x = 381,392.11

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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.