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Finding the Fourth Proportional to 1,304,065.33, 1,797,956.44 and 931,972.91

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Solution

The fourth proportional to 1,304,065.33, 1,797,956.44 and 931,972.91 is: 1,284,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,065.33 : 1,797,956.44 = 931,972.91 : x
  2. Step 2: Convert to fraction form
    1,304,065.33/1,797,956.44 = 931,972.91/x
  3. Step 3: Cross multiply
    1,304,065.33x = 1,797,956.44 × 931,972.91
  4. Step 4: Simplify right side
    1,304,065.33x = 1,675,646,695,440.04
  5. Step 5: Solve for x
    x = 1,675,646,695,440.04/1,304,065.33
  6. Step 6: Final answer
    x = 1,284,940.76

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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.