Home / 816,536.88-1,224,640.80-512,795.37

Finding the Fourth Proportional to 816,536.88, 1,224,640.80 and 512,795.37

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Solution

The fourth proportional to 816,536.88, 1,224,640.80 and 512,795.37 is: 769,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,536.88 : 1,224,640.80 = 512,795.37 : x
  2. Step 2: Convert to fraction form
    816,536.88/1,224,640.80 = 512,795.37/x
  3. Step 3: Cross multiply
    816,536.88x = 1,224,640.80 × 512,795.37
  4. Step 4: Simplify right side
    816,536.88x = 627,990,132,153.10
  5. Step 5: Solve for x
    x = 627,990,132,153.10/816,536.88
  6. Step 6: Final answer
    x = 769,089.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.