Home / 1,423,185.76-1,964,083.44-819,768.16

Finding the Fourth Proportional to 1,423,185.76, 1,964,083.44 and 819,768.16

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Solution

The fourth proportional to 1,423,185.76, 1,964,083.44 and 819,768.16 is: 1,131,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,185.76 : 1,964,083.44 = 819,768.16 : x
  2. Step 2: Convert to fraction form
    1,423,185.76/1,964,083.44 = 819,768.16/x
  3. Step 3: Cross multiply
    1,423,185.76x = 1,964,083.44 × 819,768.16
  4. Step 4: Simplify right side
    1,423,185.76x = 1,610,093,067,695.27
  5. Step 5: Solve for x
    x = 1,610,093,067,695.27/1,423,185.76
  6. Step 6: Final answer
    x = 1,131,330.23

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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.