Home / 967,971.21-1,335,745.41-538,242.12

Finding the Fourth Proportional to 967,971.21, 1,335,745.41 and 538,242.12

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Solution

The fourth proportional to 967,971.21, 1,335,745.41 and 538,242.12 is: 742,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,971.21 : 1,335,745.41 = 538,242.12 : x
  2. Step 2: Convert to fraction form
    967,971.21/1,335,745.41 = 538,242.12/x
  3. Step 3: Cross multiply
    967,971.21x = 1,335,745.41 × 538,242.12
  4. Step 4: Simplify right side
    967,971.21x = 718,954,441,258.67
  5. Step 5: Solve for x
    x = 718,954,441,258.67/967,971.21
  6. Step 6: Final answer
    x = 742,743.62

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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.