Home / 1,314,516.40-1,972,552.20-958,634.80

Finding the Fourth Proportional to 1,314,516.40, 1,972,552.20 and 958,634.80

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Solution

The fourth proportional to 1,314,516.40, 1,972,552.20 and 958,634.80 is: 1,438,519.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,516.40 : 1,972,552.20 = 958,634.80 : x
  2. Step 2: Convert to fraction form
    1,314,516.40/1,972,552.20 = 958,634.80/x
  3. Step 3: Cross multiply
    1,314,516.40x = 1,972,552.20 × 958,634.80
  4. Step 4: Simplify right side
    1,314,516.40x = 1,890,957,183,736.56
  5. Step 5: Solve for x
    x = 1,890,957,183,736.56/1,314,516.40
  6. Step 6: Final answer
    x = 1,438,519.28

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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.