Home / 722,269.80-1,083,404.70-543,810.60

Finding the Fourth Proportional to 722,269.80, 1,083,404.70 and 543,810.60

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Solution

The fourth proportional to 722,269.80, 1,083,404.70 and 543,810.60 is: 815,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,269.80 : 1,083,404.70 = 543,810.60 : x
  2. Step 2: Convert to fraction form
    722,269.80/1,083,404.70 = 543,810.60/x
  3. Step 3: Cross multiply
    722,269.80x = 1,083,404.70 × 543,810.60
  4. Step 4: Simplify right side
    722,269.80x = 589,166,959,949.82
  5. Step 5: Solve for x
    x = 589,166,959,949.82/722,269.80
  6. Step 6: Final answer
    x = 815,715.90

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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.