Home / 1,777,216.20-2,661,887.70-711,709.80

Finding the Fourth Proportional to 1,777,216.20, 2,661,887.70 and 711,709.80

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Solution

The fourth proportional to 1,777,216.20, 2,661,887.70 and 711,709.80 is: 1,065,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,216.20 : 2,661,887.70 = 711,709.80 : x
  2. Step 2: Convert to fraction form
    1,777,216.20/2,661,887.70 = 711,709.80/x
  3. Step 3: Cross multiply
    1,777,216.20x = 2,661,887.70 × 711,709.80
  4. Step 4: Simplify right side
    1,777,216.20x = 1,894,491,562,589.46
  5. Step 5: Solve for x
    x = 1,894,491,562,589.46/1,777,216.20
  6. Step 6: Final answer
    x = 1,065,988.24

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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.