Home / 1,203,848.40-1,805,846.16-405,062.88

Finding the Fourth Proportional to 1,203,848.40, 1,805,846.16 and 405,062.88

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Solution

The fourth proportional to 1,203,848.40, 1,805,846.16 and 405,062.88 is: 607,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,848.40 : 1,805,846.16 = 405,062.88 : x
  2. Step 2: Convert to fraction form
    1,203,848.40/1,805,846.16 = 405,062.88/x
  3. Step 3: Cross multiply
    1,203,848.40x = 1,805,846.16 × 405,062.88
  4. Step 4: Simplify right side
    1,203,848.40x = 731,481,246,406.54
  5. Step 5: Solve for x
    x = 731,481,246,406.54/1,203,848.40
  6. Step 6: Final answer
    x = 607,619.07

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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.