Home / 775,172.22-1,069,497.23-452,649.66

Finding the Fourth Proportional to 775,172.22, 1,069,497.23 and 452,649.66

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Solution

The fourth proportional to 775,172.22, 1,069,497.23 and 452,649.66 is: 624,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,172.22 : 1,069,497.23 = 452,649.66 : x
  2. Step 2: Convert to fraction form
    775,172.22/1,069,497.23 = 452,649.66/x
  3. Step 3: Cross multiply
    775,172.22x = 1,069,497.23 × 452,649.66
  4. Step 4: Simplify right side
    775,172.22x = 484,107,557,530.44
  5. Step 5: Solve for x
    x = 484,107,557,530.44/775,172.22
  6. Step 6: Final answer
    x = 624,516.13

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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.