Home / 783,908.20-1,174,112.70-605,837.80

Finding the Fourth Proportional to 783,908.20, 1,174,112.70 and 605,837.80

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Solution

The fourth proportional to 783,908.20, 1,174,112.70 and 605,837.80 is: 907,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,908.20 : 1,174,112.70 = 605,837.80 : x
  2. Step 2: Convert to fraction form
    783,908.20/1,174,112.70 = 605,837.80/x
  3. Step 3: Cross multiply
    783,908.20x = 1,174,112.70 × 605,837.80
  4. Step 4: Simplify right side
    783,908.20x = 711,321,855,120.06
  5. Step 5: Solve for x
    x = 711,321,855,120.06/783,908.20
  6. Step 6: Final answer
    x = 907,404.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.