Home / 945,808.42-1,305,247.13-516,112.13

Finding the Fourth Proportional to 945,808.42, 1,305,247.13 and 516,112.13

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Solution

The fourth proportional to 945,808.42, 1,305,247.13 and 516,112.13 is: 712,251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,808.42 : 1,305,247.13 = 516,112.13 : x
  2. Step 2: Convert to fraction form
    945,808.42/1,305,247.13 = 516,112.13/x
  3. Step 3: Cross multiply
    945,808.42x = 1,305,247.13 × 516,112.13
  4. Step 4: Simplify right side
    945,808.42x = 673,653,876,440.69
  5. Step 5: Solve for x
    x = 673,653,876,440.69/945,808.42
  6. Step 6: Final answer
    x = 712,251.93

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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.