Home / 790,628.64-1,091,047.32-441,771.84

Finding the Fourth Proportional to 790,628.64, 1,091,047.32 and 441,771.84

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Solution

The fourth proportional to 790,628.64, 1,091,047.32 and 441,771.84 is: 609,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,628.64 : 1,091,047.32 = 441,771.84 : x
  2. Step 2: Convert to fraction form
    790,628.64/1,091,047.32 = 441,771.84/x
  3. Step 3: Cross multiply
    790,628.64x = 1,091,047.32 × 441,771.84
  4. Step 4: Simplify right side
    790,628.64x = 481,993,982,083.47
  5. Step 5: Solve for x
    x = 481,993,982,083.47/790,628.64
  6. Step 6: Final answer
    x = 609,633.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.