Home / 765,476.44-1,153,400.89-635,273.80

Finding the Fourth Proportional to 765,476.44, 1,153,400.89 and 635,273.80

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Solution

The fourth proportional to 765,476.44, 1,153,400.89 and 635,273.80 is: 957,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,476.44 : 1,153,400.89 = 635,273.80 : x
  2. Step 2: Convert to fraction form
    765,476.44/1,153,400.89 = 635,273.80/x
  3. Step 3: Cross multiply
    765,476.44x = 1,153,400.89 × 635,273.80
  4. Step 4: Simplify right side
    765,476.44x = 732,725,366,313.68
  5. Step 5: Solve for x
    x = 732,725,366,313.68/765,476.44
  6. Step 6: Final answer
    x = 957,214.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.