Home / 804,047.65-1,203,479.84-443,651.92

Finding the Fourth Proportional to 804,047.65, 1,203,479.84 and 443,651.92

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Solution

The fourth proportional to 804,047.65, 1,203,479.84 and 443,651.92 is: 664,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,047.65 : 1,203,479.84 = 443,651.92 : x
  2. Step 2: Convert to fraction form
    804,047.65/1,203,479.84 = 443,651.92/x
  3. Step 3: Cross multiply
    804,047.65x = 1,203,479.84 × 443,651.92
  4. Step 4: Simplify right side
    804,047.65x = 533,926,139,797.72
  5. Step 5: Solve for x
    x = 533,926,139,797.72/804,047.65
  6. Step 6: Final answer
    x = 664,047.89

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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.