Home / 829,033.80-1,244,472.30-513,846.60

Finding the Fourth Proportional to 829,033.80, 1,244,472.30 and 513,846.60

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Solution

The fourth proportional to 829,033.80, 1,244,472.30 and 513,846.60 is: 771,341.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,033.80 : 1,244,472.30 = 513,846.60 : x
  2. Step 2: Convert to fraction form
    829,033.80/1,244,472.30 = 513,846.60/x
  3. Step 3: Cross multiply
    829,033.80x = 1,244,472.30 × 513,846.60
  4. Step 4: Simplify right side
    829,033.80x = 639,467,860,149.18
  5. Step 5: Solve for x
    x = 639,467,860,149.18/829,033.80
  6. Step 6: Final answer
    x = 771,341.12

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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.