Home / 1,412,129.60-2,118,194.40-814,932.80

Finding the Fourth Proportional to 1,412,129.60, 2,118,194.40 and 814,932.80

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Solution

The fourth proportional to 1,412,129.60, 2,118,194.40 and 814,932.80 is: 1,222,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,129.60 : 2,118,194.40 = 814,932.80 : x
  2. Step 2: Convert to fraction form
    1,412,129.60/2,118,194.40 = 814,932.80/x
  3. Step 3: Cross multiply
    1,412,129.60x = 2,118,194.40 × 814,932.80
  4. Step 4: Simplify right side
    1,412,129.60x = 1,726,186,093,336.32
  5. Step 5: Solve for x
    x = 1,726,186,093,336.32/1,412,129.60
  6. Step 6: Final answer
    x = 1,222,399.20

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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.