Home / 1,670,940.15-2,504,165.12-911,643.83

Finding the Fourth Proportional to 1,670,940.15, 2,504,165.12 and 911,643.83

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Solution

The fourth proportional to 1,670,940.15, 2,504,165.12 and 911,643.83 is: 1,366,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,940.15 : 2,504,165.12 = 911,643.83 : x
  2. Step 2: Convert to fraction form
    1,670,940.15/2,504,165.12 = 911,643.83/x
  3. Step 3: Cross multiply
    1,670,940.15x = 2,504,165.12 × 911,643.83
  4. Step 4: Simplify right side
    1,670,940.15x = 2,282,906,680,949.21
  5. Step 5: Solve for x
    x = 2,282,906,680,949.21/1,670,940.15
  6. Step 6: Final answer
    x = 1,366,240.84

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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.