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Finding the Fourth Proportional to 1,876,262.86, 2,589,244.86 and 1,016,823.16

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Solution

The fourth proportional to 1,876,262.86, 2,589,244.86 and 1,016,823.16 is: 1,403,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,262.86 : 2,589,244.86 = 1,016,823.16 : x
  2. Step 2: Convert to fraction form
    1,876,262.86/2,589,244.86 = 1,016,823.16/x
  3. Step 3: Cross multiply
    1,876,262.86x = 2,589,244.86 × 1,016,823.16
  4. Step 4: Simplify right side
    1,876,262.86x = 2,632,804,140,558.96
  5. Step 5: Solve for x
    x = 2,632,804,140,558.96/1,876,262.86
  6. Step 6: Final answer
    x = 1,403,217.11

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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.