Home / 722,885.20-1,083,015.60-589,040.80

Finding the Fourth Proportional to 722,885.20, 1,083,015.60 and 589,040.80

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Solution

The fourth proportional to 722,885.20, 1,083,015.60 and 589,040.80 is: 882,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,885.20 : 1,083,015.60 = 589,040.80 : x
  2. Step 2: Convert to fraction form
    722,885.20/1,083,015.60 = 589,040.80/x
  3. Step 3: Cross multiply
    722,885.20x = 1,083,015.60 × 589,040.80
  4. Step 4: Simplify right side
    722,885.20x = 637,940,375,436.48
  5. Step 5: Solve for x
    x = 637,940,375,436.48/722,885.20
  6. Step 6: Final answer
    x = 882,491.96

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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.