Home / 945,923.22-1,305,401.94-516,231.18

Finding the Fourth Proportional to 945,923.22, 1,305,401.94 and 516,231.18

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Solution

The fourth proportional to 945,923.22, 1,305,401.94 and 516,231.18 is: 712,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,923.22 : 1,305,401.94 = 516,231.18 : x
  2. Step 2: Convert to fraction form
    945,923.22/1,305,401.94 = 516,231.18/x
  3. Step 3: Cross multiply
    945,923.22x = 1,305,401.94 × 516,231.18
  4. Step 4: Simplify right side
    945,923.22x = 673,889,183,860.49
  5. Step 5: Solve for x
    x = 673,889,183,860.49/945,923.22
  6. Step 6: Final answer
    x = 712,414.25

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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.