Home / 1,623,000.56-2,239,806.72-897,835.78

Finding the Fourth Proportional to 1,623,000.56, 2,239,806.72 and 897,835.78

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Solution

The fourth proportional to 1,623,000.56, 2,239,806.72 and 897,835.78 is: 1,239,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,000.56 : 2,239,806.72 = 897,835.78 : x
  2. Step 2: Convert to fraction form
    1,623,000.56/2,239,806.72 = 897,835.78/x
  3. Step 3: Cross multiply
    1,623,000.56x = 2,239,806.72 × 897,835.78
  4. Step 4: Simplify right side
    1,623,000.56x = 2,010,978,613,500.44
  5. Step 5: Solve for x
    x = 2,010,978,613,500.44/1,623,000.56
  6. Step 6: Final answer
    x = 1,239,049.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.