Home / 1,515,261.44-2,091,111-826,970.96

Finding the Fourth Proportional to 1,515,261.44, 2,091,111 and 826,970.96

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Solution

The fourth proportional to 1,515,261.44, 2,091,111 and 826,970.96 is: 1,141,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,261.44 : 2,091,111 = 826,970.96 : x
  2. Step 2: Convert to fraction form
    1,515,261.44/2,091,111 = 826,970.96/x
  3. Step 3: Cross multiply
    1,515,261.44x = 2,091,111 × 826,970.96
  4. Step 4: Simplify right side
    1,515,261.44x = 1,729,288,071,136.56
  5. Step 5: Solve for x
    x = 1,729,288,071,136.56/1,515,261.44
  6. Step 6: Final answer
    x = 1,141,247.33

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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.