Home / 1,022,745.82-1,533,872.67-312,780.01

Finding the Fourth Proportional to 1,022,745.82, 1,533,872.67 and 312,780.01

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Solution

The fourth proportional to 1,022,745.82, 1,533,872.67 and 312,780.01 is: 469,094.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,745.82 : 1,533,872.67 = 312,780.01 : x
  2. Step 2: Convert to fraction form
    1,022,745.82/1,533,872.67 = 312,780.01/x
  3. Step 3: Cross multiply
    1,022,745.82x = 1,533,872.67 × 312,780.01
  4. Step 4: Simplify right side
    1,022,745.82x = 479,764,709,061.33
  5. Step 5: Solve for x
    x = 479,764,709,061.33/1,022,745.82
  6. Step 6: Final answer
    x = 469,094.76

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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.