Home / 626,942.64-865,318.50-412,102.56

Finding the Fourth Proportional to 626,942.64, 865,318.50 and 412,102.56

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Solution

The fourth proportional to 626,942.64, 865,318.50 and 412,102.56 is: 568,792.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,942.64 : 865,318.50 = 412,102.56 : x
  2. Step 2: Convert to fraction form
    626,942.64/865,318.50 = 412,102.56/x
  3. Step 3: Cross multiply
    626,942.64x = 865,318.50 × 412,102.56
  4. Step 4: Simplify right side
    626,942.64x = 356,599,969,065.36
  5. Step 5: Solve for x
    x = 356,599,969,065.36/626,942.64
  6. Step 6: Final answer
    x = 568,792.02

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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.