Home / 945,793.20-1,305,247.44-516,080.64

Finding the Fourth Proportional to 945,793.20, 1,305,247.44 and 516,080.64

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Solution

The fourth proportional to 945,793.20, 1,305,247.44 and 516,080.64 is: 712,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,793.20 : 1,305,247.44 = 516,080.64 : x
  2. Step 2: Convert to fraction form
    945,793.20/1,305,247.44 = 516,080.64/x
  3. Step 3: Cross multiply
    945,793.20x = 1,305,247.44 × 516,080.64
  4. Step 4: Simplify right side
    945,793.20x = 673,612,934,193.56
  5. Step 5: Solve for x
    x = 673,612,934,193.56/945,793.20
  6. Step 6: Final answer
    x = 712,220.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.