Home / 403,849.67-557,316.35-222,568.13

Finding the Fourth Proportional to 403,849.67, 557,316.35 and 222,568.13

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Solution

The fourth proportional to 403,849.67, 557,316.35 and 222,568.13 is: 307,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,849.67 : 557,316.35 = 222,568.13 : x
  2. Step 2: Convert to fraction form
    403,849.67/557,316.35 = 222,568.13/x
  3. Step 3: Cross multiply
    403,849.67x = 557,316.35 × 222,568.13
  4. Step 4: Simplify right side
    403,849.67x = 124,040,853,938.50
  5. Step 5: Solve for x
    x = 124,040,853,938.50/403,849.67
  6. Step 6: Final answer
    x = 307,146.11

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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.