Home / 681,937.02-1,022,868.30-208,622.34

Finding the Fourth Proportional to 681,937.02, 1,022,868.30 and 208,622.34

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Solution

The fourth proportional to 681,937.02, 1,022,868.30 and 208,622.34 is: 312,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,937.02 : 1,022,868.30 = 208,622.34 : x
  2. Step 2: Convert to fraction form
    681,937.02/1,022,868.30 = 208,622.34/x
  3. Step 3: Cross multiply
    681,937.02x = 1,022,868.30 × 208,622.34
  4. Step 4: Simplify right side
    681,937.02x = 213,393,178,257.82
  5. Step 5: Solve for x
    x = 213,393,178,257.82/681,937.02
  6. Step 6: Final answer
    x = 312,922.12

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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.