Home / 1,104,830.21-1,524,650.66-621,395.22

Finding the Fourth Proportional to 1,104,830.21, 1,524,650.66 and 621,395.22

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Solution

The fourth proportional to 1,104,830.21, 1,524,650.66 and 621,395.22 is: 857,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,830.21 : 1,524,650.66 = 621,395.22 : x
  2. Step 2: Convert to fraction form
    1,104,830.21/1,524,650.66 = 621,395.22/x
  3. Step 3: Cross multiply
    1,104,830.21x = 1,524,650.66 × 621,395.22
  4. Step 4: Simplify right side
    1,104,830.21x = 947,410,629,186.87
  5. Step 5: Solve for x
    x = 947,410,629,186.87/1,104,830.21
  6. Step 6: Final answer
    x = 857,516.95

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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.