Home / 1,372,049.72-1,893,496.14-828,176.84

Finding the Fourth Proportional to 1,372,049.72, 1,893,496.14 and 828,176.84

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Solution

The fourth proportional to 1,372,049.72, 1,893,496.14 and 828,176.84 is: 1,142,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,049.72 : 1,893,496.14 = 828,176.84 : x
  2. Step 2: Convert to fraction form
    1,372,049.72/1,893,496.14 = 828,176.84/x
  3. Step 3: Cross multiply
    1,372,049.72x = 1,893,496.14 × 828,176.84
  4. Step 4: Simplify right side
    1,372,049.72x = 1,568,149,649,777.40
  5. Step 5: Solve for x
    x = 1,568,149,649,777.40/1,372,049.72
  6. Step 6: Final answer
    x = 1,142,924.80

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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.