Home / 403,793.61-557,247.06-222,517.23

Finding the Fourth Proportional to 403,793.61, 557,247.06 and 222,517.23

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Solution

The fourth proportional to 403,793.61, 557,247.06 and 222,517.23 is: 307,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,793.61 : 557,247.06 = 222,517.23 : x
  2. Step 2: Convert to fraction form
    403,793.61/557,247.06 = 222,517.23/x
  3. Step 3: Cross multiply
    403,793.61x = 557,247.06 × 222,517.23
  4. Step 4: Simplify right side
    403,793.61x = 123,997,069,892.48
  5. Step 5: Solve for x
    x = 123,997,069,892.48/403,793.61
  6. Step 6: Final answer
    x = 307,080.32

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1.5x scale

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.