Home / 1,611,837.09-2,224,288.89-876,768.21

Finding the Fourth Proportional to 1,611,837.09, 2,224,288.89 and 876,768.21

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Solution

The fourth proportional to 1,611,837.09, 2,224,288.89 and 876,768.21 is: 1,209,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,837.09 : 2,224,288.89 = 876,768.21 : x
  2. Step 2: Convert to fraction form
    1,611,837.09/2,224,288.89 = 876,768.21/x
  3. Step 3: Cross multiply
    1,611,837.09x = 2,224,288.89 × 876,768.21
  4. Step 4: Simplify right side
    1,611,837.09x = 1,950,185,788,608.19
  5. Step 5: Solve for x
    x = 1,950,185,788,608.19/1,611,837.09
  6. Step 6: Final answer
    x = 1,209,914.95

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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.