Home / 726,954.60-1,090,431.90-694,295.40

Finding the Fourth Proportional to 726,954.60, 1,090,431.90 and 694,295.40

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Solution

The fourth proportional to 726,954.60, 1,090,431.90 and 694,295.40 is: 1,041,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,954.60 : 1,090,431.90 = 694,295.40 : x
  2. Step 2: Convert to fraction form
    726,954.60/1,090,431.90 = 694,295.40/x
  3. Step 3: Cross multiply
    726,954.60x = 1,090,431.90 × 694,295.40
  4. Step 4: Simplify right side
    726,954.60x = 757,081,852,183.26
  5. Step 5: Solve for x
    x = 757,081,852,183.26/726,954.60
  6. Step 6: Final answer
    x = 1,041,443.10

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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.