Home / 945,958.96-1,305,451.02-516,266.68

Finding the Fourth Proportional to 945,958.96, 1,305,451.02 and 516,266.68

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Solution

The fourth proportional to 945,958.96, 1,305,451.02 and 516,266.68 is: 712,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,958.96 : 1,305,451.02 = 516,266.68 : x
  2. Step 2: Convert to fraction form
    945,958.96/1,305,451.02 = 516,266.68/x
  3. Step 3: Cross multiply
    945,958.96x = 1,305,451.02 × 516,266.68
  4. Step 4: Simplify right side
    945,958.96x = 673,960,863,998.01
  5. Step 5: Solve for x
    x = 673,960,863,998.01/945,958.96
  6. Step 6: Final answer
    x = 712,463.11

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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.