Home / 1,818,922.07-2,728,632.10-620,522.61

Finding the Fourth Proportional to 1,818,922.07, 2,728,632.10 and 620,522.61

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Solution

The fourth proportional to 1,818,922.07, 2,728,632.10 and 620,522.61 is: 930,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,922.07 : 2,728,632.10 = 620,522.61 : x
  2. Step 2: Convert to fraction form
    1,818,922.07/2,728,632.10 = 620,522.61/x
  3. Step 3: Cross multiply
    1,818,922.07x = 2,728,632.10 × 620,522.61
  4. Step 4: Simplify right side
    1,818,922.07x = 1,693,177,912,421.78
  5. Step 5: Solve for x
    x = 1,693,177,912,421.78/1,818,922.07
  6. Step 6: Final answer
    x = 930,868.86

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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.