Home / 1,177,137-1,624,336.74-660,772.68

Finding the Fourth Proportional to 1,177,137, 1,624,336.74 and 660,772.68

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Solution

The fourth proportional to 1,177,137, 1,624,336.74 and 660,772.68 is: 911,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,137 : 1,624,336.74 = 660,772.68 : x
  2. Step 2: Convert to fraction form
    1,177,137/1,624,336.74 = 660,772.68/x
  3. Step 3: Cross multiply
    1,177,137x = 1,624,336.74 × 660,772.68
  4. Step 4: Simplify right side
    1,177,137x = 1,073,317,340,912.26
  5. Step 5: Solve for x
    x = 1,073,317,340,912.26/1,177,137
  6. Step 6: Final answer
    x = 911,803.25

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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.