Home / 857,415.00-1,183,147.41-494,955.63

Finding the Fourth Proportional to 857,415.00, 1,183,147.41 and 494,955.63

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Solution

The fourth proportional to 857,415.00, 1,183,147.41 and 494,955.63 is: 682,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,415.00 : 1,183,147.41 = 494,955.63 : x
  2. Step 2: Convert to fraction form
    857,415.00/1,183,147.41 = 494,955.63/x
  3. Step 3: Cross multiply
    857,415.00x = 1,183,147.41 × 494,955.63
  4. Step 4: Simplify right side
    857,415.00x = 585,605,472,859.50
  5. Step 5: Solve for x
    x = 585,605,472,859.50/857,415.00
  6. Step 6: Final answer
    x = 682,989.54

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Double scale
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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.