Home / 1,091,652-1,635,667.72-663,893.96

Finding the Fourth Proportional to 1,091,652, 1,635,667.72 and 663,893.96

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Solution

The fourth proportional to 1,091,652, 1,635,667.72 and 663,893.96 is: 994,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,652 : 1,635,667.72 = 663,893.96 : x
  2. Step 2: Convert to fraction form
    1,091,652/1,635,667.72 = 663,893.96/x
  3. Step 3: Cross multiply
    1,091,652x = 1,635,667.72 × 663,893.96
  4. Step 4: Simplify right side
    1,091,652x = 1,085,909,919,874.97
  5. Step 5: Solve for x
    x = 1,085,909,919,874.97/1,091,652
  6. Step 6: Final answer
    x = 994,740.01

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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.