Home / 698,317.21-1,047,284.64-192,757.33

Finding the Fourth Proportional to 698,317.21, 1,047,284.64 and 192,757.33

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Solution

The fourth proportional to 698,317.21, 1,047,284.64 and 192,757.33 is: 289,083.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,317.21 : 1,047,284.64 = 192,757.33 : x
  2. Step 2: Convert to fraction form
    698,317.21/1,047,284.64 = 192,757.33/x
  3. Step 3: Cross multiply
    698,317.21x = 1,047,284.64 × 192,757.33
  4. Step 4: Simplify right side
    698,317.21x = 201,871,785,238.10
  5. Step 5: Solve for x
    x = 201,871,785,238.10/698,317.21
  6. Step 6: Final answer
    x = 289,083.22

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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.