Home / 1,276,604.40-1,914,906.60-917,881.73

Finding the Fourth Proportional to 1,276,604.40, 1,914,906.60 and 917,881.73

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Solution

The fourth proportional to 1,276,604.40, 1,914,906.60 and 917,881.73 is: 1,376,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,604.40 : 1,914,906.60 = 917,881.73 : x
  2. Step 2: Convert to fraction form
    1,276,604.40/1,914,906.60 = 917,881.73/x
  3. Step 3: Cross multiply
    1,276,604.40x = 1,914,906.60 × 917,881.73
  4. Step 4: Simplify right side
    1,276,604.40x = 1,757,657,773,221.89
  5. Step 5: Solve for x
    x = 1,757,657,773,221.89/1,276,604.40
  6. Step 6: Final answer
    x = 1,376,822.59

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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.