Home / 1,531,389.29-2,113,279.89-843,055.61

Finding the Fourth Proportional to 1,531,389.29, 2,113,279.89 and 843,055.61

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Solution

The fourth proportional to 1,531,389.29, 2,113,279.89 and 843,055.61 is: 1,163,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,389.29 : 2,113,279.89 = 843,055.61 : x
  2. Step 2: Convert to fraction form
    1,531,389.29/2,113,279.89 = 843,055.61/x
  3. Step 3: Cross multiply
    1,531,389.29x = 2,113,279.89 × 843,055.61
  4. Step 4: Simplify right side
    1,531,389.29x = 1,781,612,456,198.28
  5. Step 5: Solve for x
    x = 1,781,612,456,198.28/1,531,389.29
  6. Step 6: Final answer
    x = 1,163,396.19

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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.