Home / 989,500.26-1,365,509.97-536,791.26

Finding the Fourth Proportional to 989,500.26, 1,365,509.97 and 536,791.26

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Solution

The fourth proportional to 989,500.26, 1,365,509.97 and 536,791.26 is: 740,771.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,500.26 : 1,365,509.97 = 536,791.26 : x
  2. Step 2: Convert to fraction form
    989,500.26/1,365,509.97 = 536,791.26/x
  3. Step 3: Cross multiply
    989,500.26x = 1,365,509.97 × 536,791.26
  4. Step 4: Simplify right side
    989,500.26x = 732,993,817,338.86
  5. Step 5: Solve for x
    x = 732,993,817,338.86/989,500.26
  6. Step 6: Final answer
    x = 740,771.73

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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.