Home / 783,859.44-1,081,956.24-511,968.90

Finding the Fourth Proportional to 783,859.44, 1,081,956.24 and 511,968.90

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Solution

The fourth proportional to 783,859.44, 1,081,956.24 and 511,968.90 is: 706,667.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,859.44 : 1,081,956.24 = 511,968.90 : x
  2. Step 2: Convert to fraction form
    783,859.44/1,081,956.24 = 511,968.90/x
  3. Step 3: Cross multiply
    783,859.44x = 1,081,956.24 × 511,968.90
  4. Step 4: Simplify right side
    783,859.44x = 553,927,946,040.94
  5. Step 5: Solve for x
    x = 553,927,946,040.94/783,859.44
  6. Step 6: Final answer
    x = 706,667.44

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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.