Home / 1,192,702.86-1,645,912.71-648,843.35

Finding the Fourth Proportional to 1,192,702.86, 1,645,912.71 and 648,843.35

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Solution

The fourth proportional to 1,192,702.86, 1,645,912.71 and 648,843.35 is: 895,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,702.86 : 1,645,912.71 = 648,843.35 : x
  2. Step 2: Convert to fraction form
    1,192,702.86/1,645,912.71 = 648,843.35/x
  3. Step 3: Cross multiply
    1,192,702.86x = 1,645,912.71 × 648,843.35
  4. Step 4: Simplify right side
    1,192,702.86x = 1,067,939,508,334.41
  5. Step 5: Solve for x
    x = 1,067,939,508,334.41/1,192,702.86
  6. Step 6: Final answer
    x = 895,394.44

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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.