Home / 1,159,137.58-1,737,479.20-389,903

Finding the Fourth Proportional to 1,159,137.58, 1,737,479.20 and 389,903

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Solution

The fourth proportional to 1,159,137.58, 1,737,479.20 and 389,903 is: 584,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,137.58 : 1,737,479.20 = 389,903 : x
  2. Step 2: Convert to fraction form
    1,159,137.58/1,737,479.20 = 389,903/x
  3. Step 3: Cross multiply
    1,159,137.58x = 1,737,479.20 × 389,903
  4. Step 4: Simplify right side
    1,159,137.58x = 677,448,352,517.60
  5. Step 5: Solve for x
    x = 677,448,352,517.60/1,159,137.58
  6. Step 6: Final answer
    x = 584,441.71

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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.