Home / 800,571.58-1,105,269.30-495,057.59

Finding the Fourth Proportional to 800,571.58, 1,105,269.30 and 495,057.59

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Solution

The fourth proportional to 800,571.58, 1,105,269.30 and 495,057.59 is: 683,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,571.58 : 1,105,269.30 = 495,057.59 : x
  2. Step 2: Convert to fraction form
    800,571.58/1,105,269.30 = 495,057.59/x
  3. Step 3: Cross multiply
    800,571.58x = 1,105,269.30 × 495,057.59
  4. Step 4: Simplify right side
    800,571.58x = 547,171,953,483.70
  5. Step 5: Solve for x
    x = 547,171,953,483.70/800,571.58
  6. Step 6: Final answer
    x = 683,476.61

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1.5x scale

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.