Home / 910,759.25-1,256,958.49-528,786.04

Finding the Fourth Proportional to 910,759.25, 1,256,958.49 and 528,786.04

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Solution

The fourth proportional to 910,759.25, 1,256,958.49 and 528,786.04 is: 729,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,759.25 : 1,256,958.49 = 528,786.04 : x
  2. Step 2: Convert to fraction form
    910,759.25/1,256,958.49 = 528,786.04/x
  3. Step 3: Cross multiply
    910,759.25x = 1,256,958.49 × 528,786.04
  4. Step 4: Simplify right side
    910,759.25x = 664,662,094,837.17
  5. Step 5: Solve for x
    x = 664,662,094,837.17/910,759.25
  6. Step 6: Final answer
    x = 729,789.01

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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.