Home / 1,122,308.73-1,684,133.78-412,408.53

Finding the Fourth Proportional to 1,122,308.73, 1,684,133.78 and 412,408.53

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Solution

The fourth proportional to 1,122,308.73, 1,684,133.78 and 412,408.53 is: 618,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,308.73 : 1,684,133.78 = 412,408.53 : x
  2. Step 2: Convert to fraction form
    1,122,308.73/1,684,133.78 = 412,408.53/x
  3. Step 3: Cross multiply
    1,122,308.73x = 1,684,133.78 × 412,408.53
  4. Step 4: Simplify right side
    1,122,308.73x = 694,551,134,471.10
  5. Step 5: Solve for x
    x = 694,551,134,471.10/1,122,308.73
  6. Step 6: Final answer
    x = 618,859.25

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1.5x scale

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.