Home / 826,618.30-1,239,927.45-818,745.10

Finding the Fourth Proportional to 826,618.30, 1,239,927.45 and 818,745.10

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Solution

The fourth proportional to 826,618.30, 1,239,927.45 and 818,745.10 is: 1,228,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,618.30 : 1,239,927.45 = 818,745.10 : x
  2. Step 2: Convert to fraction form
    826,618.30/1,239,927.45 = 818,745.10/x
  3. Step 3: Cross multiply
    826,618.30x = 1,239,927.45 × 818,745.10
  4. Step 4: Simplify right side
    826,618.30x = 1,015,184,524,042.99
  5. Step 5: Solve for x
    x = 1,015,184,524,042.99/826,618.30
  6. Step 6: Final answer
    x = 1,228,117.65

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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.