Home / 1,189,127.18-1,640,309.23-758,922.41

Finding the Fourth Proportional to 1,189,127.18, 1,640,309.23 and 758,922.41

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Solution

The fourth proportional to 1,189,127.18, 1,640,309.23 and 758,922.41 is: 1,046,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,127.18 : 1,640,309.23 = 758,922.41 : x
  2. Step 2: Convert to fraction form
    1,189,127.18/1,640,309.23 = 758,922.41/x
  3. Step 3: Cross multiply
    1,189,127.18x = 1,640,309.23 × 758,922.41
  4. Step 4: Simplify right side
    1,189,127.18x = 1,244,867,439,026.27
  5. Step 5: Solve for x
    x = 1,244,867,439,026.27/1,189,127.18
  6. Step 6: Final answer
    x = 1,046,874.93

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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.