Home / 1,111,722.80-1,667,682.68-313,011.27

Finding the Fourth Proportional to 1,111,722.80, 1,667,682.68 and 313,011.27

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Solution

The fourth proportional to 1,111,722.80, 1,667,682.68 and 313,011.27 is: 469,544.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,722.80 : 1,667,682.68 = 313,011.27 : x
  2. Step 2: Convert to fraction form
    1,111,722.80/1,667,682.68 = 313,011.27/x
  3. Step 3: Cross multiply
    1,111,722.80x = 1,667,682.68 × 313,011.27
  4. Step 4: Simplify right side
    1,111,722.80x = 522,003,472,058.75
  5. Step 5: Solve for x
    x = 522,003,472,058.75/1,111,722.80
  6. Step 6: Final answer
    x = 469,544.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.