Home / 403,868.30-557,433.24-251,021.93

Finding the Fourth Proportional to 403,868.30, 557,433.24 and 251,021.93

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Solution

The fourth proportional to 403,868.30, 557,433.24 and 251,021.93 is: 346,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,868.30 : 557,433.24 = 251,021.93 : x
  2. Step 2: Convert to fraction form
    403,868.30/557,433.24 = 251,021.93/x
  3. Step 3: Cross multiply
    403,868.30x = 557,433.24 × 251,021.93
  4. Step 4: Simplify right side
    403,868.30x = 139,927,966,589.58
  5. Step 5: Solve for x
    x = 139,927,966,589.58/403,868.30
  6. Step 6: Final answer
    x = 346,469.30

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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.