Home / 403,762.32-557,189.24-222,470.06

Finding the Fourth Proportional to 403,762.32, 557,189.24 and 222,470.06

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Solution

The fourth proportional to 403,762.32, 557,189.24 and 222,470.06 is: 307,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,762.32 : 557,189.24 = 222,470.06 : x
  2. Step 2: Convert to fraction form
    403,762.32/557,189.24 = 222,470.06/x
  3. Step 3: Cross multiply
    403,762.32x = 557,189.24 × 222,470.06
  4. Step 4: Simplify right side
    403,762.32x = 123,957,919,755.86
  5. Step 5: Solve for x
    x = 123,957,919,755.86/403,762.32
  6. Step 6: Final answer
    x = 307,007.15

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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.