Home / 756,310.50-1,043,695.53-412,149.60

Finding the Fourth Proportional to 756,310.50, 1,043,695.53 and 412,149.60

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Solution

The fourth proportional to 756,310.50, 1,043,695.53 and 412,149.60 is: 568,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,310.50 : 1,043,695.53 = 412,149.60 : x
  2. Step 2: Convert to fraction form
    756,310.50/1,043,695.53 = 412,149.60/x
  3. Step 3: Cross multiply
    756,310.50x = 1,043,695.53 × 412,149.60
  4. Step 4: Simplify right side
    756,310.50x = 430,158,695,211.29
  5. Step 5: Solve for x
    x = 430,158,695,211.29/756,310.50
  6. Step 6: Final answer
    x = 568,759.39

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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.