Home / 925,613.84-1,388,451.32-318,396.04

Finding the Fourth Proportional to 925,613.84, 1,388,451.32 and 318,396.04

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Solution

The fourth proportional to 925,613.84, 1,388,451.32 and 318,396.04 is: 477,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,613.84 : 1,388,451.32 = 318,396.04 : x
  2. Step 2: Convert to fraction form
    925,613.84/1,388,451.32 = 318,396.04/x
  3. Step 3: Cross multiply
    925,613.84x = 1,388,451.32 × 318,396.04
  4. Step 4: Simplify right side
    925,613.84x = 442,077,402,020.77
  5. Step 5: Solve for x
    x = 442,077,402,020.77/925,613.84
  6. Step 6: Final answer
    x = 477,604.57

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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.