Home / 1,222,608.37-1,834,124.03-412,998.68

Finding the Fourth Proportional to 1,222,608.37, 1,834,124.03 and 412,998.68

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Solution

The fourth proportional to 1,222,608.37, 1,834,124.03 and 412,998.68 is: 619,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,608.37 : 1,834,124.03 = 412,998.68 : x
  2. Step 2: Convert to fraction form
    1,222,608.37/1,834,124.03 = 412,998.68/x
  3. Step 3: Cross multiply
    1,222,608.37x = 1,834,124.03 × 412,998.68
  4. Step 4: Simplify right side
    1,222,608.37x = 757,490,799,019.10
  5. Step 5: Solve for x
    x = 757,490,799,019.10/1,222,608.37
  6. Step 6: Final answer
    x = 619,569.45

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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.