Home / 756,121.23-1,043,446.83-416,589.48

Finding the Fourth Proportional to 756,121.23, 1,043,446.83 and 416,589.48

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Solution

The fourth proportional to 756,121.23, 1,043,446.83 and 416,589.48 is: 574,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,121.23 : 1,043,446.83 = 416,589.48 : x
  2. Step 2: Convert to fraction form
    756,121.23/1,043,446.83 = 416,589.48/x
  3. Step 3: Cross multiply
    756,121.23x = 1,043,446.83 × 416,589.48
  4. Step 4: Simplify right side
    756,121.23x = 434,688,970,755.14
  5. Step 5: Solve for x
    x = 434,688,970,755.14/756,121.23
  6. Step 6: Final answer
    x = 574,893.22

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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.