Home / 1,189,161.81-1,640,357.01-758,957.04

Finding the Fourth Proportional to 1,189,161.81, 1,640,357.01 and 758,957.04

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Solution

The fourth proportional to 1,189,161.81, 1,640,357.01 and 758,957.04 is: 1,046,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,161.81 : 1,640,357.01 = 758,957.04 : x
  2. Step 2: Convert to fraction form
    1,189,161.81/1,640,357.01 = 758,957.04/x
  3. Step 3: Cross multiply
    1,189,161.81x = 1,640,357.01 × 758,957.04
  4. Step 4: Simplify right side
    1,189,161.81x = 1,244,960,500,852.85
  5. Step 5: Solve for x
    x = 1,244,960,500,852.85/1,189,161.81
  6. Step 6: Final answer
    x = 1,046,922.71

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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.