Home / 1,027,003.88-1,540,646.00-427,824.89

Finding the Fourth Proportional to 1,027,003.88, 1,540,646.00 and 427,824.89

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Solution

The fourth proportional to 1,027,003.88, 1,540,646.00 and 427,824.89 is: 641,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,003.88 : 1,540,646.00 = 427,824.89 : x
  2. Step 2: Convert to fraction form
    1,027,003.88/1,540,646.00 = 427,824.89/x
  3. Step 3: Cross multiply
    1,027,003.88x = 1,540,646.00 × 427,824.89
  4. Step 4: Simplify right side
    1,027,003.88x = 659,126,698,845.27
  5. Step 5: Solve for x
    x = 659,126,698,845.27/1,027,003.88
  6. Step 6: Final answer
    x = 641,795.72

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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.