Home / 740,620.20-1,110,930.30-682,883.40

Finding the Fourth Proportional to 740,620.20, 1,110,930.30 and 682,883.40

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Solution

The fourth proportional to 740,620.20, 1,110,930.30 and 682,883.40 is: 1,024,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,620.20 : 1,110,930.30 = 682,883.40 : x
  2. Step 2: Convert to fraction form
    740,620.20/1,110,930.30 = 682,883.40/x
  3. Step 3: Cross multiply
    740,620.20x = 1,110,930.30 × 682,883.40
  4. Step 4: Simplify right side
    740,620.20x = 758,635,860,427.02
  5. Step 5: Solve for x
    x = 758,635,860,427.02/740,620.20
  6. Step 6: Final answer
    x = 1,024,325.10

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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.