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Finding the Fourth Proportional to 1,723,714.88, 2,582,077.86 and 799,172.18

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Solution

The fourth proportional to 1,723,714.88, 2,582,077.86 and 799,172.18 is: 1,197,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,714.88 : 2,582,077.86 = 799,172.18 : x
  2. Step 2: Convert to fraction form
    1,723,714.88/2,582,077.86 = 799,172.18/x
  3. Step 3: Cross multiply
    1,723,714.88x = 2,582,077.86 × 799,172.18
  4. Step 4: Simplify right side
    1,723,714.88x = 2,063,524,792,305.93
  5. Step 5: Solve for x
    x = 2,063,524,792,305.93/1,723,714.88
  6. Step 6: Final answer
    x = 1,197,138.12

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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.