Home / 403,926.81-605,824.56-190,694.31

Finding the Fourth Proportional to 403,926.81, 605,824.56 and 190,694.31

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Solution

The fourth proportional to 403,926.81, 605,824.56 and 190,694.31 is: 286,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,926.81 : 605,824.56 = 190,694.31 : x
  2. Step 2: Convert to fraction form
    403,926.81/605,824.56 = 190,694.31/x
  3. Step 3: Cross multiply
    403,926.81x = 605,824.56 × 190,694.31
  4. Step 4: Simplify right side
    403,926.81x = 115,527,296,450.25
  5. Step 5: Solve for x
    x = 115,527,296,450.25/403,926.81
  6. Step 6: Final answer
    x = 286,010.47

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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.