Home / 1,177,517.28-1,624,881.20-668,219.65

Finding the Fourth Proportional to 1,177,517.28, 1,624,881.20 and 668,219.65

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Solution

The fourth proportional to 1,177,517.28, 1,624,881.20 and 668,219.65 is: 922,090.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,517.28 : 1,624,881.20 = 668,219.65 : x
  2. Step 2: Convert to fraction form
    1,177,517.28/1,624,881.20 = 668,219.65/x
  3. Step 3: Cross multiply
    1,177,517.28x = 1,624,881.20 × 668,219.65
  4. Step 4: Simplify right side
    1,177,517.28x = 1,085,777,546,755.58
  5. Step 5: Solve for x
    x = 1,085,777,546,755.58/1,177,517.28
  6. Step 6: Final answer
    x = 922,090.54

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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.