Home / 2,768,999.20-4,153,191.60-774,656.80

Finding the Fourth Proportional to 2,768,999.20, 4,153,191.60 and 774,656.80

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Solution

The fourth proportional to 2,768,999.20, 4,153,191.60 and 774,656.80 is: 1,161,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,999.20 : 4,153,191.60 = 774,656.80 : x
  2. Step 2: Convert to fraction form
    2,768,999.20/4,153,191.60 = 774,656.80/x
  3. Step 3: Cross multiply
    2,768,999.20x = 4,153,191.60 × 774,656.80
  4. Step 4: Simplify right side
    2,768,999.20x = 3,217,298,114,642.88
  5. Step 5: Solve for x
    x = 3,217,298,114,642.88/2,768,999.20
  6. Step 6: Final answer
    x = 1,161,899.26

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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.