Home / 1,121,857.80-1,682,796.30-373,903.80

Finding the Fourth Proportional to 1,121,857.80, 1,682,796.30 and 373,903.80

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Solution

The fourth proportional to 1,121,857.80, 1,682,796.30 and 373,903.80 is: 560,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,857.80 : 1,682,796.30 = 373,903.80 : x
  2. Step 2: Convert to fraction form
    1,121,857.80/1,682,796.30 = 373,903.80/x
  3. Step 3: Cross multiply
    1,121,857.80x = 1,682,796.30 × 373,903.80
  4. Step 4: Simplify right side
    1,121,857.80x = 629,203,931,195.94
  5. Step 5: Solve for x
    x = 629,203,931,195.94/1,121,857.80
  6. Step 6: Final answer
    x = 560,858.90

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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.