Home / 1,233,853.99-1,702,706.83-689,983.54

Finding the Fourth Proportional to 1,233,853.99, 1,702,706.83 and 689,983.54

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Solution

The fourth proportional to 1,233,853.99, 1,702,706.83 and 689,983.54 is: 952,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,853.99 : 1,702,706.83 = 689,983.54 : x
  2. Step 2: Convert to fraction form
    1,233,853.99/1,702,706.83 = 689,983.54/x
  3. Step 3: Cross multiply
    1,233,853.99x = 1,702,706.83 × 689,983.54
  4. Step 4: Simplify right side
    1,233,853.99x = 1,174,839,686,145.58
  5. Step 5: Solve for x
    x = 1,174,839,686,145.58/1,233,853.99
  6. Step 6: Final answer
    x = 952,170.76

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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.