Home / 815,094.09-1,222,247.88-341,652.33

Finding the Fourth Proportional to 815,094.09, 1,222,247.88 and 341,652.33

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Solution

The fourth proportional to 815,094.09, 1,222,247.88 and 341,652.33 is: 512,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,094.09 : 1,222,247.88 = 341,652.33 : x
  2. Step 2: Convert to fraction form
    815,094.09/1,222,247.88 = 341,652.33/x
  3. Step 3: Cross multiply
    815,094.09x = 1,222,247.88 × 341,652.33
  4. Step 4: Simplify right side
    815,094.09x = 417,583,836,039.56
  5. Step 5: Solve for x
    x = 417,583,836,039.56/815,094.09
  6. Step 6: Final answer
    x = 512,313.66

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Double scale
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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.