Home / 919,190.70-1,376,064.45-683,577.90

Finding the Fourth Proportional to 919,190.70, 1,376,064.45 and 683,577.90

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Solution

The fourth proportional to 919,190.70, 1,376,064.45 and 683,577.90 is: 1,023,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,190.70 : 1,376,064.45 = 683,577.90 : x
  2. Step 2: Convert to fraction form
    919,190.70/1,376,064.45 = 683,577.90/x
  3. Step 3: Cross multiply
    919,190.70x = 1,376,064.45 × 683,577.90
  4. Step 4: Simplify right side
    919,190.70x = 940,647,246,995.66
  5. Step 5: Solve for x
    x = 940,647,246,995.66/919,190.70
  6. Step 6: Final answer
    x = 1,023,342.87

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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.