Home / 1,207,902.89-1,666,806.89-711,107.93

Finding the Fourth Proportional to 1,207,902.89, 1,666,806.89 and 711,107.93

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Solution

The fourth proportional to 1,207,902.89, 1,666,806.89 and 711,107.93 is: 981,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,902.89 : 1,666,806.89 = 711,107.93 : x
  2. Step 2: Convert to fraction form
    1,207,902.89/1,666,806.89 = 711,107.93/x
  3. Step 3: Cross multiply
    1,207,902.89x = 1,666,806.89 × 711,107.93
  4. Step 4: Simplify right side
    1,207,902.89x = 1,185,279,603,202.42
  5. Step 5: Solve for x
    x = 1,185,279,603,202.42/1,207,902.89
  6. Step 6: Final answer
    x = 981,270.61

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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.