Home / 1,228,173.60-1,694,811.96-676,780.72

Finding the Fourth Proportional to 1,228,173.60, 1,694,811.96 and 676,780.72

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Solution

The fourth proportional to 1,228,173.60, 1,694,811.96 and 676,780.72 is: 933,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,173.60 : 1,694,811.96 = 676,780.72 : x
  2. Step 2: Convert to fraction form
    1,228,173.60/1,694,811.96 = 676,780.72/x
  3. Step 3: Cross multiply
    1,228,173.60x = 1,694,811.96 × 676,780.72
  4. Step 4: Simplify right side
    1,228,173.60x = 1,147,016,058,553.41
  5. Step 5: Solve for x
    x = 1,147,016,058,553.41/1,228,173.60
  6. Step 6: Final answer
    x = 933,920.14

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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.