Home / 1,719,276.80-2,578,915.20-1,646,470.40

Finding the Fourth Proportional to 1,719,276.80, 2,578,915.20 and 1,646,470.40

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Solution

The fourth proportional to 1,719,276.80, 2,578,915.20 and 1,646,470.40 is: 2,469,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,276.80 : 2,578,915.20 = 1,646,470.40 : x
  2. Step 2: Convert to fraction form
    1,719,276.80/2,578,915.20 = 1,646,470.40/x
  3. Step 3: Cross multiply
    1,719,276.80x = 2,578,915.20 × 1,646,470.40
  4. Step 4: Simplify right side
    1,719,276.80x = 4,246,107,540,910.08
  5. Step 5: Solve for x
    x = 4,246,107,540,910.08/1,719,276.80
  6. Step 6: Final answer
    x = 2,469,705.60

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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.