Home / 1,433,316.88-2,149,630.87-422,165.64

Finding the Fourth Proportional to 1,433,316.88, 2,149,630.87 and 422,165.64

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Solution

The fourth proportional to 1,433,316.88, 2,149,630.87 and 422,165.64 is: 633,147.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,316.88 : 2,149,630.87 = 422,165.64 : x
  2. Step 2: Convert to fraction form
    1,433,316.88/2,149,630.87 = 422,165.64/x
  3. Step 3: Cross multiply
    1,433,316.88x = 2,149,630.87 × 422,165.64
  4. Step 4: Simplify right side
    1,433,316.88x = 907,500,291,997.31
  5. Step 5: Solve for x
    x = 907,500,291,997.31/1,433,316.88
  6. Step 6: Final answer
    x = 633,147.01

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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.