Home / 2,668,255.56-4,002,369.84-646,499.88

Finding the Fourth Proportional to 2,668,255.56, 4,002,369.84 and 646,499.88

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Solution

The fourth proportional to 2,668,255.56, 4,002,369.84 and 646,499.88 is: 969,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,255.56 : 4,002,369.84 = 646,499.88 : x
  2. Step 2: Convert to fraction form
    2,668,255.56/4,002,369.84 = 646,499.88/x
  3. Step 3: Cross multiply
    2,668,255.56x = 4,002,369.84 × 646,499.88
  4. Step 4: Simplify right side
    2,668,255.56x = 2,587,531,621,275.62
  5. Step 5: Solve for x
    x = 2,587,531,621,275.62/2,668,255.56
  6. Step 6: Final answer
    x = 969,746.55

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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.