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Finding the Fourth Proportional to 1,714,841.96, 2,366,311.40 and 989,923.22

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Solution

The fourth proportional to 1,714,841.96, 2,366,311.40 and 989,923.22 is: 1,365,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714,841.96 : 2,366,311.40 = 989,923.22 : x
  2. Step 2: Convert to fraction form
    1,714,841.96/2,366,311.40 = 989,923.22/x
  3. Step 3: Cross multiply
    1,714,841.96x = 2,366,311.40 × 989,923.22
  4. Step 4: Simplify right side
    1,714,841.96x = 2,342,466,600,610.71
  5. Step 5: Solve for x
    x = 2,342,466,600,610.71/1,714,841.96
  6. Step 6: Final answer
    x = 1,365,995.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.