Home / 1,228,414-1,694,308.98-814,201.72

Finding the Fourth Proportional to 1,228,414, 1,694,308.98 and 814,201.72

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Solution

The fourth proportional to 1,228,414, 1,694,308.98 and 814,201.72 is: 1,123,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,414 : 1,694,308.98 = 814,201.72 : x
  2. Step 2: Convert to fraction form
    1,228,414/1,694,308.98 = 814,201.72/x
  3. Step 3: Cross multiply
    1,228,414x = 1,694,308.98 × 814,201.72
  4. Step 4: Simplify right side
    1,228,414x = 1,379,509,285,727.45
  5. Step 5: Solve for x
    x = 1,379,509,285,727.45/1,228,414
  6. Step 6: Final answer
    x = 1,123,000.30

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1.5x scale

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.