Home / 1,976,787.10-2,964,057.09-778,059.64

Finding the Fourth Proportional to 1,976,787.10, 2,964,057.09 and 778,059.64

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Solution

The fourth proportional to 1,976,787.10, 2,964,057.09 and 778,059.64 is: 1,166,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,787.10 : 2,964,057.09 = 778,059.64 : x
  2. Step 2: Convert to fraction form
    1,976,787.10/2,964,057.09 = 778,059.64/x
  3. Step 3: Cross multiply
    1,976,787.10x = 2,964,057.09 × 778,059.64
  4. Step 4: Simplify right side
    1,976,787.10x = 2,306,213,192,384.85
  5. Step 5: Solve for x
    x = 2,306,213,192,384.85/1,976,787.10
  6. Step 6: Final answer
    x = 1,166,647.23

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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.