Home / 1,093,542.60-1,640,313.90-813,606.60

Finding the Fourth Proportional to 1,093,542.60, 1,640,313.90 and 813,606.60

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Solution

The fourth proportional to 1,093,542.60, 1,640,313.90 and 813,606.60 is: 1,220,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,542.60 : 1,640,313.90 = 813,606.60 : x
  2. Step 2: Convert to fraction form
    1,093,542.60/1,640,313.90 = 813,606.60/x
  3. Step 3: Cross multiply
    1,093,542.60x = 1,640,313.90 × 813,606.60
  4. Step 4: Simplify right side
    1,093,542.60x = 1,334,570,215,111.74
  5. Step 5: Solve for x
    x = 1,334,570,215,111.74/1,093,542.60
  6. Step 6: Final answer
    x = 1,220,409.90

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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.