Home / 822,542.40-1,233,813.60-261,633.60

Finding the Fourth Proportional to 822,542.40, 1,233,813.60 and 261,633.60

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Solution

The fourth proportional to 822,542.40, 1,233,813.60 and 261,633.60 is: 392,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,542.40 : 1,233,813.60 = 261,633.60 : x
  2. Step 2: Convert to fraction form
    822,542.40/1,233,813.60 = 261,633.60/x
  3. Step 3: Cross multiply
    822,542.40x = 1,233,813.60 × 261,633.60
  4. Step 4: Simplify right side
    822,542.40x = 322,807,093,896.96
  5. Step 5: Solve for x
    x = 322,807,093,896.96/822,542.40
  6. Step 6: Final answer
    x = 392,450.40

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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.