Home / 1,270,997.71-1,753,990.65-698,037.91

Finding the Fourth Proportional to 1,270,997.71, 1,753,990.65 and 698,037.91

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Solution

The fourth proportional to 1,270,997.71, 1,753,990.65 and 698,037.91 is: 963,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,997.71 : 1,753,990.65 = 698,037.91 : x
  2. Step 2: Convert to fraction form
    1,270,997.71/1,753,990.65 = 698,037.91/x
  3. Step 3: Cross multiply
    1,270,997.71x = 1,753,990.65 × 698,037.91
  4. Step 4: Simplify right side
    1,270,997.71x = 1,224,351,967,485.54
  5. Step 5: Solve for x
    x = 1,224,351,967,485.54/1,270,997.71
  6. Step 6: Final answer
    x = 963,299.90

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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.