Home / 403,849.17-557,315.66-222,567.63

Finding the Fourth Proportional to 403,849.17, 557,315.66 and 222,567.63

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Solution

The fourth proportional to 403,849.17, 557,315.66 and 222,567.63 is: 307,145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,849.17 : 557,315.66 = 222,567.63 : x
  2. Step 2: Convert to fraction form
    403,849.17/557,315.66 = 222,567.63/x
  3. Step 3: Cross multiply
    403,849.17x = 557,315.66 × 222,567.63
  4. Step 4: Simplify right side
    403,849.17x = 124,040,425,608.09
  5. Step 5: Solve for x
    x = 124,040,425,608.09/403,849.17
  6. Step 6: Final answer
    x = 307,145.43

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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.