Home / 1,192,891.47-1,776,702.96-1,187,078.82

Finding the Fourth Proportional to 1,192,891.47, 1,776,702.96 and 1,187,078.82

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Solution

The fourth proportional to 1,192,891.47, 1,776,702.96 and 1,187,078.82 is: 1,768,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,891.47 : 1,776,702.96 = 1,187,078.82 : x
  2. Step 2: Convert to fraction form
    1,192,891.47/1,776,702.96 = 1,187,078.82/x
  3. Step 3: Cross multiply
    1,192,891.47x = 1,776,702.96 × 1,187,078.82
  4. Step 4: Simplify right side
    1,192,891.47x = 2,109,086,453,247.31
  5. Step 5: Solve for x
    x = 2,109,086,453,247.31/1,192,891.47
  6. Step 6: Final answer
    x = 1,768,045.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.