Home / 783,754.39-1,081,592.27-587,172.56

Finding the Fourth Proportional to 783,754.39, 1,081,592.27 and 587,172.56

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Solution

The fourth proportional to 783,754.39, 1,081,592.27 and 587,172.56 is: 810,306.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,754.39 : 1,081,592.27 = 587,172.56 : x
  2. Step 2: Convert to fraction form
    783,754.39/1,081,592.27 = 587,172.56/x
  3. Step 3: Cross multiply
    783,754.39x = 1,081,592.27 × 587,172.56
  4. Step 4: Simplify right side
    783,754.39x = 635,081,293,708.29
  5. Step 5: Solve for x
    x = 635,081,293,708.29/783,754.39
  6. Step 6: Final answer
    x = 810,306.52

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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.