Home / 1,504,515.75-2,076,231.71-859,949.78

Finding the Fourth Proportional to 1,504,515.75, 2,076,231.71 and 859,949.78

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Solution

The fourth proportional to 1,504,515.75, 2,076,231.71 and 859,949.78 is: 1,186,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504,515.75 : 2,076,231.71 = 859,949.78 : x
  2. Step 2: Convert to fraction form
    1,504,515.75/2,076,231.71 = 859,949.78/x
  3. Step 3: Cross multiply
    1,504,515.75x = 2,076,231.71 × 859,949.78
  4. Step 4: Simplify right side
    1,504,515.75x = 1,785,454,987,562.62
  5. Step 5: Solve for x
    x = 1,785,454,987,562.62/1,504,515.75
  6. Step 6: Final answer
    x = 1,186,730.67

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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.