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Finding the Fourth Proportional to 1,332,973, 1,839,502.74 and 729,361

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Solution

The fourth proportional to 1,332,973, 1,839,502.74 and 729,361 is: 1,006,518.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,973 : 1,839,502.74 = 729,361 : x
  2. Step 2: Convert to fraction form
    1,332,973/1,839,502.74 = 729,361/x
  3. Step 3: Cross multiply
    1,332,973x = 1,839,502.74 × 729,361
  4. Step 4: Simplify right side
    1,332,973x = 1,341,661,557,949.14
  5. Step 5: Solve for x
    x = 1,341,661,557,949.14/1,332,973
  6. Step 6: Final answer
    x = 1,006,518.18

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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.