Home / 815,851.89-1,223,357.46-366,187.41

Finding the Fourth Proportional to 815,851.89, 1,223,357.46 and 366,187.41

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Solution

The fourth proportional to 815,851.89, 1,223,357.46 and 366,187.41 is: 549,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,851.89 : 1,223,357.46 = 366,187.41 : x
  2. Step 2: Convert to fraction form
    815,851.89/1,223,357.46 = 366,187.41/x
  3. Step 3: Cross multiply
    815,851.89x = 1,223,357.46 × 366,187.41
  4. Step 4: Simplify right side
    815,851.89x = 447,978,105,253.96
  5. Step 5: Solve for x
    x = 447,978,105,253.96/815,851.89
  6. Step 6: Final answer
    x = 549,092.44

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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.