Home / 1,228,397.14-1,694,285.70-814,184.80

Finding the Fourth Proportional to 1,228,397.14, 1,694,285.70 and 814,184.80

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Solution

The fourth proportional to 1,228,397.14, 1,694,285.70 and 814,184.80 is: 1,122,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,397.14 : 1,694,285.70 = 814,184.80 : x
  2. Step 2: Convert to fraction form
    1,228,397.14/1,694,285.70 = 814,184.80/x
  3. Step 3: Cross multiply
    1,228,397.14x = 1,694,285.70 × 814,184.80
  4. Step 4: Simplify right side
    1,228,397.14x = 1,379,461,663,797.36
  5. Step 5: Solve for x
    x = 1,379,461,663,797.36/1,228,397.14
  6. Step 6: Final answer
    x = 1,122,976.94

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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.