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Finding the Fourth Proportional to 1,714,839, 2,366,307.24 and 989,920.26

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Solution

The fourth proportional to 1,714,839, 2,366,307.24 and 989,920.26 is: 1,365,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714,839 : 2,366,307.24 = 989,920.26 : x
  2. Step 2: Convert to fraction form
    1,714,839/2,366,307.24 = 989,920.26/x
  3. Step 3: Cross multiply
    1,714,839x = 2,366,307.24 × 989,920.26
  4. Step 4: Simplify right side
    1,714,839x = 2,342,455,478,260.68
  5. Step 5: Solve for x
    x = 2,342,455,478,260.68/1,714,839
  6. Step 6: Final answer
    x = 1,365,991.49

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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.