Home / 819,696.24-1,229,626.38-251,070.77

Finding the Fourth Proportional to 819,696.24, 1,229,626.38 and 251,070.77

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Solution

The fourth proportional to 819,696.24, 1,229,626.38 and 251,070.77 is: 376,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,696.24 : 1,229,626.38 = 251,070.77 : x
  2. Step 2: Convert to fraction form
    819,696.24/1,229,626.38 = 251,070.77/x
  3. Step 3: Cross multiply
    819,696.24x = 1,229,626.38 × 251,070.77
  4. Step 4: Simplify right side
    819,696.24x = 308,723,235,890.78
  5. Step 5: Solve for x
    x = 308,723,235,890.78/819,696.24
  6. Step 6: Final answer
    x = 376,631.27

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1.5x scale

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.