Home / 765,475.44-1,153,399.38-635,272.80

Finding the Fourth Proportional to 765,475.44, 1,153,399.38 and 635,272.80

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Solution

The fourth proportional to 765,475.44, 1,153,399.38 and 635,272.80 is: 957,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,475.44 : 1,153,399.38 = 635,272.80 : x
  2. Step 2: Convert to fraction form
    765,475.44/1,153,399.38 = 635,272.80/x
  3. Step 3: Cross multiply
    765,475.44x = 1,153,399.38 × 635,272.80
  4. Step 4: Simplify right side
    765,475.44x = 732,723,253,650.86
  5. Step 5: Solve for x
    x = 732,723,253,650.86/765,475.44
  6. Step 6: Final answer
    x = 957,213.28

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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.