Home / 1,365,286.88-2,036,740.19-1,328,176.83

Finding the Fourth Proportional to 1,365,286.88, 2,036,740.19 and 1,328,176.83

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Solution

The fourth proportional to 1,365,286.88, 2,036,740.19 and 1,328,176.83 is: 1,981,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,286.88 : 2,036,740.19 = 1,328,176.83 : x
  2. Step 2: Convert to fraction form
    1,365,286.88/2,036,740.19 = 1,328,176.83/x
  3. Step 3: Cross multiply
    1,365,286.88x = 2,036,740.19 × 1,328,176.83
  4. Step 4: Simplify right side
    1,365,286.88x = 2,705,151,134,691.42
  5. Step 5: Solve for x
    x = 2,705,151,134,691.42/1,365,286.88
  6. Step 6: Final answer
    x = 1,981,379.28

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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.