Home / 403,800.30-557,269.21-222,512.14

Finding the Fourth Proportional to 403,800.30, 557,269.21 and 222,512.14

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Solution

The fourth proportional to 403,800.30, 557,269.21 and 222,512.14 is: 307,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,800.30 : 557,269.21 = 222,512.14 : x
  2. Step 2: Convert to fraction form
    403,800.30/557,269.21 = 222,512.14/x
  3. Step 3: Cross multiply
    403,800.30x = 557,269.21 × 222,512.14
  4. Step 4: Simplify right side
    403,800.30x = 123,999,164,473.21
  5. Step 5: Solve for x
    x = 123,999,164,473.21/403,800.30
  6. Step 6: Final answer
    x = 307,080.42

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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.