Home / 945,971.26-1,305,468-516,278.94

Finding the Fourth Proportional to 945,971.26, 1,305,468 and 516,278.94

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Solution

The fourth proportional to 945,971.26, 1,305,468 and 516,278.94 is: 712,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,971.26 : 1,305,468 = 516,278.94 : x
  2. Step 2: Convert to fraction form
    945,971.26/1,305,468 = 516,278.94/x
  3. Step 3: Cross multiply
    945,971.26x = 1,305,468 × 516,278.94
  4. Step 4: Simplify right side
    945,971.26x = 673,985,635,243.92
  5. Step 5: Solve for x
    x = 673,985,635,243.92/945,971.26
  6. Step 6: Final answer
    x = 712,480.03

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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.