Home / 1,276,606.40-1,914,909.60-917,883.73

Finding the Fourth Proportional to 1,276,606.40, 1,914,909.60 and 917,883.73

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Solution

The fourth proportional to 1,276,606.40, 1,914,909.60 and 917,883.73 is: 1,376,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,606.40 : 1,914,909.60 = 917,883.73 : x
  2. Step 2: Convert to fraction form
    1,276,606.40/1,914,909.60 = 917,883.73/x
  3. Step 3: Cross multiply
    1,276,606.40x = 1,914,909.60 × 917,883.73
  4. Step 4: Simplify right side
    1,276,606.40x = 1,757,664,366,260.81
  5. Step 5: Solve for x
    x = 1,757,664,366,260.81/1,276,606.40
  6. Step 6: Final answer
    x = 1,376,825.60

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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.