Home / 548,700.06-821,984.82-404,343.66

Finding the Fourth Proportional to 548,700.06, 821,984.82 and 404,343.66

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Solution

The fourth proportional to 548,700.06, 821,984.82 and 404,343.66 is: 605,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,700.06 : 821,984.82 = 404,343.66 : x
  2. Step 2: Convert to fraction form
    548,700.06/821,984.82 = 404,343.66/x
  3. Step 3: Cross multiply
    548,700.06x = 821,984.82 × 404,343.66
  4. Step 4: Simplify right side
    548,700.06x = 332,364,350,583.24
  5. Step 5: Solve for x
    x = 332,364,350,583.24/548,700.06
  6. Step 6: Final answer
    x = 605,730.48

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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.