Home / 930,622.08-1,396,627.84-691,288.56

Finding the Fourth Proportional to 930,622.08, 1,396,627.84 and 691,288.56

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Solution

The fourth proportional to 930,622.08, 1,396,627.84 and 691,288.56 is: 1,037,448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,622.08 : 1,396,627.84 = 691,288.56 : x
  2. Step 2: Convert to fraction form
    930,622.08/1,396,627.84 = 691,288.56/x
  3. Step 3: Cross multiply
    930,622.08x = 1,396,627.84 × 691,288.56
  4. Step 4: Simplify right side
    930,622.08x = 965,472,848,369.51
  5. Step 5: Solve for x
    x = 965,472,848,369.51/930,622.08
  6. Step 6: Final answer
    x = 1,037,448.89

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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.