Home / 1,208,418.03-1,667,583.63-664,553.84

Finding the Fourth Proportional to 1,208,418.03, 1,667,583.63 and 664,553.84

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Solution

The fourth proportional to 1,208,418.03, 1,667,583.63 and 664,553.84 is: 917,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,418.03 : 1,667,583.63 = 664,553.84 : x
  2. Step 2: Convert to fraction form
    1,208,418.03/1,667,583.63 = 664,553.84/x
  3. Step 3: Cross multiply
    1,208,418.03x = 1,667,583.63 × 664,553.84
  4. Step 4: Simplify right side
    1,208,418.03x = 1,108,199,096,499.72
  5. Step 5: Solve for x
    x = 1,108,199,096,499.72/1,208,418.03
  6. Step 6: Final answer
    x = 917,066.01

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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.