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Finding the Fourth Proportional to 1,367,853, 1,887,578.42 and 755,974.14

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Solution

The fourth proportional to 1,367,853, 1,887,578.42 and 755,974.14 is: 1,043,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,853 : 1,887,578.42 = 755,974.14 : x
  2. Step 2: Convert to fraction form
    1,367,853/1,887,578.42 = 755,974.14/x
  3. Step 3: Cross multiply
    1,367,853x = 1,887,578.42 × 755,974.14
  4. Step 4: Simplify right side
    1,367,853x = 1,426,960,472,742.06
  5. Step 5: Solve for x
    x = 1,426,960,472,742.06/1,367,853
  6. Step 6: Final answer
    x = 1,043,211.86

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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.