Home / 1,203,160.28-1,804,795.78-492,690.09

Finding the Fourth Proportional to 1,203,160.28, 1,804,795.78 and 492,690.09

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Solution

The fourth proportional to 1,203,160.28, 1,804,795.78 and 492,690.09 is: 739,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,160.28 : 1,804,795.78 = 492,690.09 : x
  2. Step 2: Convert to fraction form
    1,203,160.28/1,804,795.78 = 492,690.09/x
  3. Step 3: Cross multiply
    1,203,160.28x = 1,804,795.78 × 492,690.09
  4. Step 4: Simplify right side
    1,203,160.28x = 889,205,001,739.87
  5. Step 5: Solve for x
    x = 889,205,001,739.87/1,203,160.28
  6. Step 6: Final answer
    x = 739,057.81

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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.