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Finding the Fourth Proportional to 1,294,673.51, 1,942,570.46 and 694,934.33

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Solution

The fourth proportional to 1,294,673.51, 1,942,570.46 and 694,934.33 is: 1,042,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,673.51 : 1,942,570.46 = 694,934.33 : x
  2. Step 2: Convert to fraction form
    1,294,673.51/1,942,570.46 = 694,934.33/x
  3. Step 3: Cross multiply
    1,294,673.51x = 1,942,570.46 × 694,934.33
  4. Step 4: Simplify right side
    1,294,673.51x = 1,349,958,893,122.38
  5. Step 5: Solve for x
    x = 1,349,958,893,122.38/1,294,673.51
  6. Step 6: Final answer
    x = 1,042,702.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.