Home / 928,791.81-1,393,189.23-254,882.34

Finding the Fourth Proportional to 928,791.81, 1,393,189.23 and 254,882.34

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Solution

The fourth proportional to 928,791.81, 1,393,189.23 and 254,882.34 is: 382,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,791.81 : 1,393,189.23 = 254,882.34 : x
  2. Step 2: Convert to fraction form
    928,791.81/1,393,189.23 = 254,882.34/x
  3. Step 3: Cross multiply
    928,791.81x = 1,393,189.23 × 254,882.34
  4. Step 4: Simplify right side
    928,791.81x = 355,099,331,005.20
  5. Step 5: Solve for x
    x = 355,099,331,005.20/928,791.81
  6. Step 6: Final answer
    x = 382,323.93

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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.