Home / 1,009,898.20-1,512,806.10-629,651.80

Finding the Fourth Proportional to 1,009,898.20, 1,512,806.10 and 629,651.80

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Solution

The fourth proportional to 1,009,898.20, 1,512,806.10 and 629,651.80 is: 943,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,898.20 : 1,512,806.10 = 629,651.80 : x
  2. Step 2: Convert to fraction form
    1,009,898.20/1,512,806.10 = 629,651.80/x
  3. Step 3: Cross multiply
    1,009,898.20x = 1,512,806.10 × 629,651.80
  4. Step 4: Simplify right side
    1,009,898.20x = 952,541,083,915.98
  5. Step 5: Solve for x
    x = 952,541,083,915.98/1,009,898.20
  6. Step 6: Final answer
    x = 943,205.05

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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.