Home / 725,361.35-1,082,718.09-671,922

Finding the Fourth Proportional to 725,361.35, 1,082,718.09 and 671,922

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Solution

The fourth proportional to 725,361.35, 1,082,718.09 and 671,922 is: 1,002,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,361.35 : 1,082,718.09 = 671,922 : x
  2. Step 2: Convert to fraction form
    725,361.35/1,082,718.09 = 671,922/x
  3. Step 3: Cross multiply
    725,361.35x = 1,082,718.09 × 671,922
  4. Step 4: Simplify right side
    725,361.35x = 727,502,104,468.98
  5. Step 5: Solve for x
    x = 727,502,104,468.98/725,361.35
  6. Step 6: Final answer
    x = 1,002,951.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.