Home / 928,736.44-1,281,566.66-520,855

Finding the Fourth Proportional to 928,736.44, 1,281,566.66 and 520,855

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Solution

The fourth proportional to 928,736.44, 1,281,566.66 and 520,855 is: 718,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,736.44 : 1,281,566.66 = 520,855 : x
  2. Step 2: Convert to fraction form
    928,736.44/1,281,566.66 = 520,855/x
  3. Step 3: Cross multiply
    928,736.44x = 1,281,566.66 × 520,855
  4. Step 4: Simplify right side
    928,736.44x = 667,510,402,694.30
  5. Step 5: Solve for x
    x = 667,510,402,694.30/928,736.44
  6. Step 6: Final answer
    x = 718,729.64

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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.