Home / 1,189,975.88-1,783,782.83-557,757.92

Finding the Fourth Proportional to 1,189,975.88, 1,783,782.83 and 557,757.92

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Solution

The fourth proportional to 1,189,975.88, 1,783,782.83 and 557,757.92 is: 836,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,975.88 : 1,783,782.83 = 557,757.92 : x
  2. Step 2: Convert to fraction form
    1,189,975.88/1,783,782.83 = 557,757.92/x
  3. Step 3: Cross multiply
    1,189,975.88x = 1,783,782.83 × 557,757.92
  4. Step 4: Simplify right side
    1,189,975.88x = 994,918,989,284.81
  5. Step 5: Solve for x
    x = 994,918,989,284.81/1,189,975.88
  6. Step 6: Final answer
    x = 836,083.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.