Home / 403,574.08-556,936-222,286.68

Finding the Fourth Proportional to 403,574.08, 556,936 and 222,286.68

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Solution

The fourth proportional to 403,574.08, 556,936 and 222,286.68 is: 306,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,574.08 : 556,936 = 222,286.68 : x
  2. Step 2: Convert to fraction form
    403,574.08/556,936 = 222,286.68/x
  3. Step 3: Cross multiply
    403,574.08x = 556,936 × 222,286.68
  4. Step 4: Simplify right side
    403,574.08x = 123,799,454,412.48
  5. Step 5: Solve for x
    x = 123,799,454,412.48/403,574.08
  6. Step 6: Final answer
    x = 306,757.69

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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.