Home / 2,559,613.66-3,839,431.00-640,519.64

Finding the Fourth Proportional to 2,559,613.66, 3,839,431.00 and 640,519.64

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Solution

The fourth proportional to 2,559,613.66, 3,839,431.00 and 640,519.64 is: 960,782.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559,613.66 : 3,839,431.00 = 640,519.64 : x
  2. Step 2: Convert to fraction form
    2,559,613.66/3,839,431.00 = 640,519.64/x
  3. Step 3: Cross multiply
    2,559,613.66x = 3,839,431.00 × 640,519.64
  4. Step 4: Simplify right side
    2,559,613.66x = 2,459,230,957,926.20
  5. Step 5: Solve for x
    x = 2,459,230,957,926.20/2,559,613.66
  6. Step 6: Final answer
    x = 960,782.09

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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.