Home / 1,574,474.27-2,172,704.60-876,791.07

Finding the Fourth Proportional to 1,574,474.27, 2,172,704.60 and 876,791.07

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Solution

The fourth proportional to 1,574,474.27, 2,172,704.60 and 876,791.07 is: 1,209,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,474.27 : 2,172,704.60 = 876,791.07 : x
  2. Step 2: Convert to fraction form
    1,574,474.27/2,172,704.60 = 876,791.07/x
  3. Step 3: Cross multiply
    1,574,474.27x = 2,172,704.60 × 876,791.07
  4. Step 4: Simplify right side
    1,574,474.27x = 1,905,007,994,005.75
  5. Step 5: Solve for x
    x = 1,905,007,994,005.75/1,574,474.27
  6. Step 6: Final answer
    x = 1,209,932.75

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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.