Home / 945,358.96-1,305,234.21-727,180.21

Finding the Fourth Proportional to 945,358.96, 1,305,234.21 and 727,180.21

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Solution

The fourth proportional to 945,358.96, 1,305,234.21 and 727,180.21 is: 1,004,000.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,358.96 : 1,305,234.21 = 727,180.21 : x
  2. Step 2: Convert to fraction form
    945,358.96/1,305,234.21 = 727,180.21/x
  3. Step 3: Cross multiply
    945,358.96x = 1,305,234.21 × 727,180.21
  4. Step 4: Simplify right side
    945,358.96x = 949,140,486,926.98
  5. Step 5: Solve for x
    x = 949,140,486,926.98/945,358.96
  6. Step 6: Final answer
    x = 1,004,000.10

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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.