Home / 403,751.48-557,183.66-222,460.79

Finding the Fourth Proportional to 403,751.48, 557,183.66 and 222,460.79

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Solution

The fourth proportional to 403,751.48, 557,183.66 and 222,460.79 is: 306,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,751.48 : 557,183.66 = 222,460.79 : x
  2. Step 2: Convert to fraction form
    403,751.48/557,183.66 = 222,460.79/x
  3. Step 3: Cross multiply
    403,751.48x = 557,183.66 × 222,460.79
  4. Step 4: Simplify right side
    403,751.48x = 123,951,513,280.47
  5. Step 5: Solve for x
    x = 123,951,513,280.47/403,751.48
  6. Step 6: Final answer
    x = 306,999.53

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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.