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Finding the Fourth Proportional to 1,231,922, 1,700,052.36 and 666,674

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Solution

The fourth proportional to 1,231,922, 1,700,052.36 and 666,674 is: 920,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,922 : 1,700,052.36 = 666,674 : x
  2. Step 2: Convert to fraction form
    1,231,922/1,700,052.36 = 666,674/x
  3. Step 3: Cross multiply
    1,231,922x = 1,700,052.36 × 666,674
  4. Step 4: Simplify right side
    1,231,922x = 1,133,380,707,050.64
  5. Step 5: Solve for x
    x = 1,133,380,707,050.64/1,231,922
  6. Step 6: Final answer
    x = 920,010.12

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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.