Home / 403,032.33-556,170.60-221,742.39

Finding the Fourth Proportional to 403,032.33, 556,170.60 and 221,742.39

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Solution

The fourth proportional to 403,032.33, 556,170.60 and 221,742.39 is: 305,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,032.33 : 556,170.60 = 221,742.39 : x
  2. Step 2: Convert to fraction form
    403,032.33/556,170.60 = 221,742.39/x
  3. Step 3: Cross multiply
    403,032.33x = 556,170.60 × 221,742.39
  4. Step 4: Simplify right side
    403,032.33x = 123,326,598,091.73
  5. Step 5: Solve for x
    x = 123,326,598,091.73/403,032.33
  6. Step 6: Final answer
    x = 305,996.79

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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.