Home / 1,613,771.64-2,419,214.04-666,538.20

Finding the Fourth Proportional to 1,613,771.64, 2,419,214.04 and 666,538.20

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Solution

The fourth proportional to 1,613,771.64, 2,419,214.04 and 666,538.20 is: 999,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,771.64 : 2,419,214.04 = 666,538.20 : x
  2. Step 2: Convert to fraction form
    1,613,771.64/2,419,214.04 = 666,538.20/x
  3. Step 3: Cross multiply
    1,613,771.64x = 2,419,214.04 × 666,538.20
  4. Step 4: Simplify right side
    1,613,771.64x = 1,612,498,571,636.33
  5. Step 5: Solve for x
    x = 1,612,498,571,636.33/1,613,771.64
  6. Step 6: Final answer
    x = 999,211.12

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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.