Home / 403,452.60-556,742.46-222,130.08

Finding the Fourth Proportional to 403,452.60, 556,742.46 and 222,130.08

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Solution

The fourth proportional to 403,452.60, 556,742.46 and 222,130.08 is: 306,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,452.60 : 556,742.46 = 222,130.08 : x
  2. Step 2: Convert to fraction form
    403,452.60/556,742.46 = 222,130.08/x
  3. Step 3: Cross multiply
    403,452.60x = 556,742.46 × 222,130.08
  4. Step 4: Simplify right side
    403,452.60x = 123,669,247,179.20
  5. Step 5: Solve for x
    x = 123,669,247,179.20/403,452.60
  6. Step 6: Final answer
    x = 306,527.33

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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.