Home / 919,834.54-1,268,285.41-629,586.23

Finding the Fourth Proportional to 919,834.54, 1,268,285.41 and 629,586.23

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Solution

The fourth proportional to 919,834.54, 1,268,285.41 and 629,586.23 is: 868,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,834.54 : 1,268,285.41 = 629,586.23 : x
  2. Step 2: Convert to fraction form
    919,834.54/1,268,285.41 = 629,586.23/x
  3. Step 3: Cross multiply
    919,834.54x = 1,268,285.41 × 629,586.23
  4. Step 4: Simplify right side
    919,834.54x = 798,495,025,202.41
  5. Step 5: Solve for x
    x = 798,495,025,202.41/919,834.54
  6. Step 6: Final answer
    x = 868,085.50

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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.