Home / 1,208,110.72-1,667,199.39-711,416.29

Finding the Fourth Proportional to 1,208,110.72, 1,667,199.39 and 711,416.29

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Solution

The fourth proportional to 1,208,110.72, 1,667,199.39 and 711,416.29 is: 981,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,110.72 : 1,667,199.39 = 711,416.29 : x
  2. Step 2: Convert to fraction form
    1,208,110.72/1,667,199.39 = 711,416.29/x
  3. Step 3: Cross multiply
    1,208,110.72x = 1,667,199.39 × 711,416.29
  4. Step 4: Simplify right side
    1,208,110.72x = 1,186,072,801,166.98
  5. Step 5: Solve for x
    x = 1,186,072,801,166.98/1,208,110.72
  6. Step 6: Final answer
    x = 981,758.36

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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.