Home / 1,091,651.73-1,635,667.34-663,893.70

Finding the Fourth Proportional to 1,091,651.73, 1,635,667.34 and 663,893.70

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Solution

The fourth proportional to 1,091,651.73, 1,635,667.34 and 663,893.70 is: 994,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,651.73 : 1,635,667.34 = 663,893.70 : x
  2. Step 2: Convert to fraction form
    1,091,651.73/1,635,667.34 = 663,893.70/x
  3. Step 3: Cross multiply
    1,091,651.73x = 1,635,667.34 × 663,893.70
  4. Step 4: Simplify right side
    1,091,651.73x = 1,085,909,239,002.29
  5. Step 5: Solve for x
    x = 1,085,909,239,002.29/1,091,651.73
  6. Step 6: Final answer
    x = 994,739.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.