Home / 783,489.62-1,081,546.62-529,185.26

Finding the Fourth Proportional to 783,489.62, 1,081,546.62 and 529,185.26

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Solution

The fourth proportional to 783,489.62, 1,081,546.62 and 529,185.26 is: 730,499.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,489.62 : 1,081,546.62 = 529,185.26 : x
  2. Step 2: Convert to fraction form
    783,489.62/1,081,546.62 = 529,185.26/x
  3. Step 3: Cross multiply
    783,489.62x = 1,081,546.62 × 529,185.26
  4. Step 4: Simplify right side
    783,489.62x = 572,338,529,306.82
  5. Step 5: Solve for x
    x = 572,338,529,306.82/783,489.62
  6. Step 6: Final answer
    x = 730,499.19

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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.