Home / 919,033.33-1,377,288.85-581,469.69

Finding the Fourth Proportional to 919,033.33, 1,377,288.85 and 581,469.69

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Solution

The fourth proportional to 919,033.33, 1,377,288.85 and 581,469.69 is: 871,406.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,033.33 : 1,377,288.85 = 581,469.69 : x
  2. Step 2: Convert to fraction form
    919,033.33/1,377,288.85 = 581,469.69/x
  3. Step 3: Cross multiply
    919,033.33x = 1,377,288.85 × 581,469.69
  4. Step 4: Simplify right side
    919,033.33x = 800,851,718,106.03
  5. Step 5: Solve for x
    x = 800,851,718,106.03/919,033.33
  6. Step 6: Final answer
    x = 871,406.61

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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.