Home / 1,151,093.58-1,589,512.05-722,111.10

Finding the Fourth Proportional to 1,151,093.58, 1,589,512.05 and 722,111.10

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Solution

The fourth proportional to 1,151,093.58, 1,589,512.05 and 722,111.10 is: 997,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,093.58 : 1,589,512.05 = 722,111.10 : x
  2. Step 2: Convert to fraction form
    1,151,093.58/1,589,512.05 = 722,111.10/x
  3. Step 3: Cross multiply
    1,151,093.58x = 1,589,512.05 × 722,111.10
  4. Step 4: Simplify right side
    1,151,093.58x = 1,147,804,294,888.75
  5. Step 5: Solve for x
    x = 1,147,804,294,888.75/1,151,093.58
  6. Step 6: Final answer
    x = 997,142.47

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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.