Home / 626,022.20-939,033.30-531,543.80

Finding the Fourth Proportional to 626,022.20, 939,033.30 and 531,543.80

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Solution

The fourth proportional to 626,022.20, 939,033.30 and 531,543.80 is: 797,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,022.20 : 939,033.30 = 531,543.80 : x
  2. Step 2: Convert to fraction form
    626,022.20/939,033.30 = 531,543.80/x
  3. Step 3: Cross multiply
    626,022.20x = 939,033.30 × 531,543.80
  4. Step 4: Simplify right side
    626,022.20x = 499,137,328,608.54
  5. Step 5: Solve for x
    x = 499,137,328,608.54/626,022.20
  6. Step 6: Final answer
    x = 797,315.70

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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.