Home / 1,579,157.79-2,179,254.87-854,019.60

Finding the Fourth Proportional to 1,579,157.79, 2,179,254.87 and 854,019.60

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Solution

The fourth proportional to 1,579,157.79, 2,179,254.87 and 854,019.60 is: 1,178,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,157.79 : 2,179,254.87 = 854,019.60 : x
  2. Step 2: Convert to fraction form
    1,579,157.79/2,179,254.87 = 854,019.60/x
  3. Step 3: Cross multiply
    1,579,157.79x = 2,179,254.87 × 854,019.60
  4. Step 4: Simplify right side
    1,579,157.79x = 1,861,126,372,375.45
  5. Step 5: Solve for x
    x = 1,861,126,372,375.45/1,579,157.79
  6. Step 6: Final answer
    x = 1,178,556.31

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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.