Home / 783,755.64-1,081,593.99-587,173.80

Finding the Fourth Proportional to 783,755.64, 1,081,593.99 and 587,173.80

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Solution

The fourth proportional to 783,755.64, 1,081,593.99 and 587,173.80 is: 810,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,755.64 : 1,081,593.99 = 587,173.80 : x
  2. Step 2: Convert to fraction form
    783,755.64/1,081,593.99 = 587,173.80/x
  3. Step 3: Cross multiply
    783,755.64x = 1,081,593.99 × 587,173.80
  4. Step 4: Simplify right side
    783,755.64x = 635,083,653,165.46
  5. Step 5: Solve for x
    x = 635,083,653,165.46/783,755.64
  6. Step 6: Final answer
    x = 810,308.24

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Double scale
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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.