Home / 403,926.31-605,823.82-190,693.81

Finding the Fourth Proportional to 403,926.31, 605,823.82 and 190,693.81

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Solution

The fourth proportional to 403,926.31, 605,823.82 and 190,693.81 is: 286,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,926.31 : 605,823.82 = 190,693.81 : x
  2. Step 2: Convert to fraction form
    403,926.31/605,823.82 = 190,693.81/x
  3. Step 3: Cross multiply
    403,926.31x = 605,823.82 × 190,693.81
  4. Step 4: Simplify right side
    403,926.31x = 115,526,848,441.97
  5. Step 5: Solve for x
    x = 115,526,848,441.97/403,926.31
  6. Step 6: Final answer
    x = 286,009.72

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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.