Home / 741,951.63-1,023,893.31-419,654.79

Finding the Fourth Proportional to 741,951.63, 1,023,893.31 and 419,654.79

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Solution

The fourth proportional to 741,951.63, 1,023,893.31 and 419,654.79 is: 579,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,951.63 : 1,023,893.31 = 419,654.79 : x
  2. Step 2: Convert to fraction form
    741,951.63/1,023,893.31 = 419,654.79/x
  3. Step 3: Cross multiply
    741,951.63x = 1,023,893.31 × 419,654.79
  4. Step 4: Simplify right side
    741,951.63x = 429,681,731,990.46
  5. Step 5: Solve for x
    x = 429,681,731,990.46/741,951.63
  6. Step 6: Final answer
    x = 579,123.64

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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.