Home / 945,803.92-1,305,240.90-516,107.62

Finding the Fourth Proportional to 945,803.92, 1,305,240.90 and 516,107.62

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Solution

The fourth proportional to 945,803.92, 1,305,240.90 and 516,107.62 is: 712,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,803.92 : 1,305,240.90 = 516,107.62 : x
  2. Step 2: Convert to fraction form
    945,803.92/1,305,240.90 = 516,107.62/x
  3. Step 3: Cross multiply
    945,803.92x = 1,305,240.90 × 516,107.62
  4. Step 4: Simplify right side
    945,803.92x = 673,644,778,518.55
  5. Step 5: Solve for x
    x = 673,644,778,518.55/945,803.92
  6. Step 6: Final answer
    x = 712,245.71

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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.