Home / 780,709.84-1,077,351.60-441,170.80

Finding the Fourth Proportional to 780,709.84, 1,077,351.60 and 441,170.80

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Solution

The fourth proportional to 780,709.84, 1,077,351.60 and 441,170.80 is: 608,799.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,709.84 : 1,077,351.60 = 441,170.80 : x
  2. Step 2: Convert to fraction form
    780,709.84/1,077,351.60 = 441,170.80/x
  3. Step 3: Cross multiply
    780,709.84x = 1,077,351.60 × 441,170.80
  4. Step 4: Simplify right side
    780,709.84x = 475,296,067,253.28
  5. Step 5: Solve for x
    x = 475,296,067,253.28/780,709.84
  6. Step 6: Final answer
    x = 608,799.89

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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.