Home / 936,135.10-1,405,585.05-726,010.30

Finding the Fourth Proportional to 936,135.10, 1,405,585.05 and 726,010.30

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Solution

The fourth proportional to 936,135.10, 1,405,585.05 and 726,010.30 is: 1,090,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,135.10 : 1,405,585.05 = 726,010.30 : x
  2. Step 2: Convert to fraction form
    936,135.10/1,405,585.05 = 726,010.30/x
  3. Step 3: Cross multiply
    936,135.10x = 1,405,585.05 × 726,010.30
  4. Step 4: Simplify right side
    936,135.10x = 1,020,469,223,826.02
  5. Step 5: Solve for x
    x = 1,020,469,223,826.02/936,135.10
  6. Step 6: Final answer
    x = 1,090,087.56

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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.