Home / 807,771.94-1,114,679.76-445,194.67

Finding the Fourth Proportional to 807,771.94, 1,114,679.76 and 445,194.67

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Solution

The fourth proportional to 807,771.94, 1,114,679.76 and 445,194.67 is: 614,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,771.94 : 1,114,679.76 = 445,194.67 : x
  2. Step 2: Convert to fraction form
    807,771.94/1,114,679.76 = 445,194.67/x
  3. Step 3: Cross multiply
    807,771.94x = 1,114,679.76 × 445,194.67
  4. Step 4: Simplify right side
    807,771.94x = 496,249,487,908.88
  5. Step 5: Solve for x
    x = 496,249,487,908.88/807,771.94
  6. Step 6: Final answer
    x = 614,343.56

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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.