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Finding the Fourth Proportional to 1,093,968, 1,509,727.68 and 617,040

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Solution

The fourth proportional to 1,093,968, 1,509,727.68 and 617,040 is: 851,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,968 : 1,509,727.68 = 617,040 : x
  2. Step 2: Convert to fraction form
    1,093,968/1,509,727.68 = 617,040/x
  3. Step 3: Cross multiply
    1,093,968x = 1,509,727.68 × 617,040
  4. Step 4: Simplify right side
    1,093,968x = 931,562,367,667.20
  5. Step 5: Solve for x
    x = 931,562,367,667.20/1,093,968
  6. Step 6: Final answer
    x = 851,544.44

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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.