Home / 403,550.68-556,925.20-222,262.56

Finding the Fourth Proportional to 403,550.68, 556,925.20 and 222,262.56

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Solution

The fourth proportional to 403,550.68, 556,925.20 and 222,262.56 is: 306,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,550.68 : 556,925.20 = 222,262.56 : x
  2. Step 2: Convert to fraction form
    403,550.68/556,925.20 = 222,262.56/x
  3. Step 3: Cross multiply
    403,550.68x = 556,925.20 × 222,262.56
  4. Step 4: Simplify right side
    403,550.68x = 123,783,620,680.51
  5. Step 5: Solve for x
    x = 123,783,620,680.51/403,550.68
  6. Step 6: Final answer
    x = 306,736.25

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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.