Home / 961,784.89-1,328,392.46-768,860.73

Finding the Fourth Proportional to 961,784.89, 1,328,392.46 and 768,860.73

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Solution

The fourth proportional to 961,784.89, 1,328,392.46 and 768,860.73 is: 1,061,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,784.89 : 1,328,392.46 = 768,860.73 : x
  2. Step 2: Convert to fraction form
    961,784.89/1,328,392.46 = 768,860.73/x
  3. Step 3: Cross multiply
    961,784.89x = 1,328,392.46 × 768,860.73
  4. Step 4: Simplify right side
    961,784.89x = 1,021,348,797,855.51
  5. Step 5: Solve for x
    x = 1,021,348,797,855.51/961,784.89
  6. Step 6: Final answer
    x = 1,061,930.60

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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.