Home / 1,839,750.78-2,760,085.41-641,690.31

Finding the Fourth Proportional to 1,839,750.78, 2,760,085.41 and 641,690.31

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Solution

The fourth proportional to 1,839,750.78, 2,760,085.41 and 641,690.31 is: 962,695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839,750.78 : 2,760,085.41 = 641,690.31 : x
  2. Step 2: Convert to fraction form
    1,839,750.78/2,760,085.41 = 641,690.31/x
  3. Step 3: Cross multiply
    1,839,750.78x = 2,760,085.41 × 641,690.31
  4. Step 4: Simplify right side
    1,839,750.78x = 1,771,120,062,369.38
  5. Step 5: Solve for x
    x = 1,771,120,062,369.38/1,839,750.78
  6. Step 6: Final answer
    x = 962,695.64

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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.