Home / 1,192,066.42-1,645,060.21-648,198.31

Finding the Fourth Proportional to 1,192,066.42, 1,645,060.21 and 648,198.31

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Solution

The fourth proportional to 1,192,066.42, 1,645,060.21 and 648,198.31 is: 894,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,066.42 : 1,645,060.21 = 648,198.31 : x
  2. Step 2: Convert to fraction form
    1,192,066.42/1,645,060.21 = 648,198.31/x
  3. Step 3: Cross multiply
    1,192,066.42x = 1,645,060.21 × 648,198.31
  4. Step 4: Simplify right side
    1,192,066.42x = 1,066,325,239,744.94
  5. Step 5: Solve for x
    x = 1,066,325,239,744.94/1,192,066.42
  6. Step 6: Final answer
    x = 894,518.31

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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.