Home / 403,925.63-557,421.20-222,644.58

Finding the Fourth Proportional to 403,925.63, 557,421.20 and 222,644.58

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Solution

The fourth proportional to 403,925.63, 557,421.20 and 222,644.58 is: 307,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,925.63 : 557,421.20 = 222,644.58 : x
  2. Step 2: Convert to fraction form
    403,925.63/557,421.20 = 222,644.58/x
  3. Step 3: Cross multiply
    403,925.63x = 557,421.20 × 222,644.58
  4. Step 4: Simplify right side
    403,925.63x = 124,106,807,843.87
  5. Step 5: Solve for x
    x = 124,106,807,843.87/403,925.63
  6. Step 6: Final answer
    x = 307,251.63

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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.