Home / 1,210,896.39-1,671,168.26-667,087.91

Finding the Fourth Proportional to 1,210,896.39, 1,671,168.26 and 667,087.91

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Solution

The fourth proportional to 1,210,896.39, 1,671,168.26 and 667,087.91 is: 920,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,896.39 : 1,671,168.26 = 667,087.91 : x
  2. Step 2: Convert to fraction form
    1,210,896.39/1,671,168.26 = 667,087.91/x
  3. Step 3: Cross multiply
    1,210,896.39x = 1,671,168.26 × 667,087.91
  4. Step 4: Simplify right side
    1,210,896.39x = 1,114,816,135,133.62
  5. Step 5: Solve for x
    x = 1,114,816,135,133.62/1,210,896.39
  6. Step 6: Final answer
    x = 920,653.61

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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.