Home / 403,765.32-557,193.38-222,473.06

Finding the Fourth Proportional to 403,765.32, 557,193.38 and 222,473.06

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Solution

The fourth proportional to 403,765.32, 557,193.38 and 222,473.06 is: 307,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,765.32 : 557,193.38 = 222,473.06 : x
  2. Step 2: Convert to fraction form
    403,765.32/557,193.38 = 222,473.06/x
  3. Step 3: Cross multiply
    403,765.32x = 557,193.38 × 222,473.06
  4. Step 4: Simplify right side
    403,765.32x = 123,960,512,362.01
  5. Step 5: Solve for x
    x = 123,960,512,362.01/403,765.32
  6. Step 6: Final answer
    x = 307,011.29

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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.