Home / 403,822.80-605,734.20-277,851.60

Finding the Fourth Proportional to 403,822.80, 605,734.20 and 277,851.60

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Solution

The fourth proportional to 403,822.80, 605,734.20 and 277,851.60 is: 416,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,822.80 : 605,734.20 = 277,851.60 : x
  2. Step 2: Convert to fraction form
    403,822.80/605,734.20 = 277,851.60/x
  3. Step 3: Cross multiply
    403,822.80x = 605,734.20 × 277,851.60
  4. Step 4: Simplify right side
    403,822.80x = 168,304,216,644.72
  5. Step 5: Solve for x
    x = 168,304,216,644.72/403,822.80
  6. Step 6: Final answer
    x = 416,777.40

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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.