Home / 769,815.62-1,062,270.65-425,604.41

Finding the Fourth Proportional to 769,815.62, 1,062,270.65 and 425,604.41

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Solution

The fourth proportional to 769,815.62, 1,062,270.65 and 425,604.41 is: 587,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,815.62 : 1,062,270.65 = 425,604.41 : x
  2. Step 2: Convert to fraction form
    769,815.62/1,062,270.65 = 425,604.41/x
  3. Step 3: Cross multiply
    769,815.62x = 1,062,270.65 × 425,604.41
  4. Step 4: Simplify right side
    769,815.62x = 452,107,065,814.19
  5. Step 5: Solve for x
    x = 452,107,065,814.19/769,815.62
  6. Step 6: Final answer
    x = 587,292.67

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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.