Home / 828,756.26-1,143,269.61-523,211.30

Finding the Fourth Proportional to 828,756.26, 1,143,269.61 and 523,211.30

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Solution

The fourth proportional to 828,756.26, 1,143,269.61 and 523,211.30 is: 721,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,756.26 : 1,143,269.61 = 523,211.30 : x
  2. Step 2: Convert to fraction form
    828,756.26/1,143,269.61 = 523,211.30/x
  3. Step 3: Cross multiply
    828,756.26x = 1,143,269.61 × 523,211.30
  4. Step 4: Simplify right side
    828,756.26x = 598,171,578,898.59
  5. Step 5: Solve for x
    x = 598,171,578,898.59/828,756.26
  6. Step 6: Final answer
    x = 721,770.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.