Home / 1,621,986.45-2,238,251.88-896,786.34

Finding the Fourth Proportional to 1,621,986.45, 2,238,251.88 and 896,786.34

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Solution

The fourth proportional to 1,621,986.45, 2,238,251.88 and 896,786.34 is: 1,237,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,986.45 : 2,238,251.88 = 896,786.34 : x
  2. Step 2: Convert to fraction form
    1,621,986.45/2,238,251.88 = 896,786.34/x
  3. Step 3: Cross multiply
    1,621,986.45x = 2,238,251.88 × 896,786.34
  4. Step 4: Simplify right side
    1,621,986.45x = 2,007,233,711,463.32
  5. Step 5: Solve for x
    x = 2,007,233,711,463.32/1,621,986.45
  6. Step 6: Final answer
    x = 1,237,515.71

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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.