Home / 1,412,190.63-2,117,092.17-612,871.29

Finding the Fourth Proportional to 1,412,190.63, 2,117,092.17 and 612,871.29

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Solution

The fourth proportional to 1,412,190.63, 2,117,092.17 and 612,871.29 is: 918,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,190.63 : 2,117,092.17 = 612,871.29 : x
  2. Step 2: Convert to fraction form
    1,412,190.63/2,117,092.17 = 612,871.29/x
  3. Step 3: Cross multiply
    1,412,190.63x = 2,117,092.17 × 612,871.29
  4. Step 4: Simplify right side
    1,412,190.63x = 1,297,505,009,276.80
  5. Step 5: Solve for x
    x = 1,297,505,009,276.80/1,412,190.63
  6. Step 6: Final answer
    x = 918,788.85

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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.