Home / 746,669.10-1,120,003.65-410,745.90

Finding the Fourth Proportional to 746,669.10, 1,120,003.65 and 410,745.90

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Solution

The fourth proportional to 746,669.10, 1,120,003.65 and 410,745.90 is: 616,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,669.10 : 1,120,003.65 = 410,745.90 : x
  2. Step 2: Convert to fraction form
    746,669.10/1,120,003.65 = 410,745.90/x
  3. Step 3: Cross multiply
    746,669.10x = 1,120,003.65 × 410,745.90
  4. Step 4: Simplify right side
    746,669.10x = 460,036,907,222.54
  5. Step 5: Solve for x
    x = 460,036,907,222.54/746,669.10
  6. Step 6: Final answer
    x = 616,118.85

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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.