Home / 1,385,844.98-1,911,412.25-1,192,578.44

Finding the Fourth Proportional to 1,385,844.98, 1,911,412.25 and 1,192,578.44

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Solution

The fourth proportional to 1,385,844.98, 1,911,412.25 and 1,192,578.44 is: 1,644,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,844.98 : 1,911,412.25 = 1,192,578.44 : x
  2. Step 2: Convert to fraction form
    1,385,844.98/1,911,412.25 = 1,192,578.44/x
  3. Step 3: Cross multiply
    1,385,844.98x = 1,911,412.25 × 1,192,578.44
  4. Step 4: Simplify right side
    1,385,844.98x = 2,279,509,042,283.34
  5. Step 5: Solve for x
    x = 2,279,509,042,283.34/1,385,844.98
  6. Step 6: Final answer
    x = 1,644,851.39

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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.