Home / 1,364,847.80-2,047,197.84-418,221.32

Finding the Fourth Proportional to 1,364,847.80, 2,047,197.84 and 418,221.32

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Solution

The fourth proportional to 1,364,847.80, 2,047,197.84 and 418,221.32 is: 627,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,847.80 : 2,047,197.84 = 418,221.32 : x
  2. Step 2: Convert to fraction form
    1,364,847.80/2,047,197.84 = 418,221.32/x
  3. Step 3: Cross multiply
    1,364,847.80x = 2,047,197.84 × 418,221.32
  4. Step 4: Simplify right side
    1,364,847.80x = 856,181,782,945.95
  5. Step 5: Solve for x
    x = 856,181,782,945.95/1,364,847.80
  6. Step 6: Final answer
    x = 627,309.35

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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.