Home / 945,882.40-1,305,345.45-516,190.27

Finding the Fourth Proportional to 945,882.40, 1,305,345.45 and 516,190.27

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Solution

The fourth proportional to 945,882.40, 1,305,345.45 and 516,190.27 is: 712,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,882.40 : 1,305,345.45 = 516,190.27 : x
  2. Step 2: Convert to fraction form
    945,882.40/1,305,345.45 = 516,190.27/x
  3. Step 3: Cross multiply
    945,882.40x = 1,305,345.45 × 516,190.27
  4. Step 4: Simplify right side
    945,882.40x = 673,806,620,278.77
  5. Step 5: Solve for x
    x = 673,806,620,278.77/945,882.40
  6. Step 6: Final answer
    x = 712,357.71

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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.