Home / 867,150.72-1,300,749.12-236,077.44

Finding the Fourth Proportional to 867,150.72, 1,300,749.12 and 236,077.44

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Solution

The fourth proportional to 867,150.72, 1,300,749.12 and 236,077.44 is: 354,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,150.72 : 1,300,749.12 = 236,077.44 : x
  2. Step 2: Convert to fraction form
    867,150.72/1,300,749.12 = 236,077.44/x
  3. Step 3: Cross multiply
    867,150.72x = 1,300,749.12 × 236,077.44
  4. Step 4: Simplify right side
    867,150.72x = 307,077,522,331.85
  5. Step 5: Solve for x
    x = 307,077,522,331.85/867,150.72
  6. Step 6: Final answer
    x = 354,122.43

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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.