Home / 403,879.46-557,330.96-222,590.84

Finding the Fourth Proportional to 403,879.46, 557,330.96 and 222,590.84

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Solution

The fourth proportional to 403,879.46, 557,330.96 and 222,590.84 is: 307,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,879.46 : 557,330.96 = 222,590.84 : x
  2. Step 2: Convert to fraction form
    403,879.46/557,330.96 = 222,590.84/x
  3. Step 3: Cross multiply
    403,879.46x = 557,330.96 × 222,590.84
  4. Step 4: Simplify right side
    403,879.46x = 124,056,765,431.45
  5. Step 5: Solve for x
    x = 124,056,765,431.45/403,879.46
  6. Step 6: Final answer
    x = 307,162.85

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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.