Home / 859,907.37-1,183,961.70-780,191.22

Finding the Fourth Proportional to 859,907.37, 1,183,961.70 and 780,191.22

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Solution

The fourth proportional to 859,907.37, 1,183,961.70 and 780,191.22 is: 1,074,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,907.37 : 1,183,961.70 = 780,191.22 : x
  2. Step 2: Convert to fraction form
    859,907.37/1,183,961.70 = 780,191.22/x
  3. Step 3: Cross multiply
    859,907.37x = 1,183,961.70 × 780,191.22
  4. Step 4: Simplify right side
    859,907.37x = 923,716,523,156.27
  5. Step 5: Solve for x
    x = 923,716,523,156.27/859,907.37
  6. Step 6: Final answer
    x = 1,074,204.68

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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.