Home / 948,661.22-1,309,183.51-540,755.65

Finding the Fourth Proportional to 948,661.22, 1,309,183.51 and 540,755.65

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Solution

The fourth proportional to 948,661.22, 1,309,183.51 and 540,755.65 is: 746,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,661.22 : 1,309,183.51 = 540,755.65 : x
  2. Step 2: Convert to fraction form
    948,661.22/1,309,183.51 = 540,755.65/x
  3. Step 3: Cross multiply
    948,661.22x = 1,309,183.51 × 540,755.65
  4. Step 4: Simplify right side
    948,661.22x = 707,948,379,919.33
  5. Step 5: Solve for x
    x = 707,948,379,919.33/948,661.22
  6. Step 6: Final answer
    x = 746,260.48

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Double scale
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1.5x scale

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.