Home / 739,936.51-1,020,736.24-449,471.01

Finding the Fourth Proportional to 739,936.51, 1,020,736.24 and 449,471.01

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Solution

The fourth proportional to 739,936.51, 1,020,736.24 and 449,471.01 is: 620,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,936.51 : 1,020,736.24 = 449,471.01 : x
  2. Step 2: Convert to fraction form
    739,936.51/1,020,736.24 = 449,471.01/x
  3. Step 3: Cross multiply
    739,936.51x = 1,020,736.24 × 449,471.01
  4. Step 4: Simplify right side
    739,936.51x = 458,791,348,736.40
  5. Step 5: Solve for x
    x = 458,791,348,736.40/739,936.51
  6. Step 6: Final answer
    x = 620,041.51

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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.