Home / 1,112,644.23-1,669,651.61-438,610.83

Finding the Fourth Proportional to 1,112,644.23, 1,669,651.61 and 438,610.83

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Solution

The fourth proportional to 1,112,644.23, 1,669,651.61 and 438,610.83 is: 658,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,644.23 : 1,669,651.61 = 438,610.83 : x
  2. Step 2: Convert to fraction form
    1,112,644.23/1,669,651.61 = 438,610.83/x
  3. Step 3: Cross multiply
    1,112,644.23x = 1,669,651.61 × 438,610.83
  4. Step 4: Simplify right side
    1,112,644.23x = 732,327,276,279.88
  5. Step 5: Solve for x
    x = 732,327,276,279.88/1,112,644.23
  6. Step 6: Final answer
    x = 658,186.38

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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.