Home / 1,967,824.80-2,951,737.20-638,128.80

Finding the Fourth Proportional to 1,967,824.80, 2,951,737.20 and 638,128.80

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Solution

The fourth proportional to 1,967,824.80, 2,951,737.20 and 638,128.80 is: 957,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967,824.80 : 2,951,737.20 = 638,128.80 : x
  2. Step 2: Convert to fraction form
    1,967,824.80/2,951,737.20 = 638,128.80/x
  3. Step 3: Cross multiply
    1,967,824.80x = 2,951,737.20 × 638,128.80
  4. Step 4: Simplify right side
    1,967,824.80x = 1,883,588,517,351.36
  5. Step 5: Solve for x
    x = 1,883,588,517,351.36/1,967,824.80
  6. Step 6: Final answer
    x = 957,193.20

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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.