Home / 1,275,968.17-1,914,226.84-636,615.73

Finding the Fourth Proportional to 1,275,968.17, 1,914,226.84 and 636,615.73

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Solution

The fourth proportional to 1,275,968.17, 1,914,226.84 and 636,615.73 is: 955,060.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,968.17 : 1,914,226.84 = 636,615.73 : x
  2. Step 2: Convert to fraction form
    1,275,968.17/1,914,226.84 = 636,615.73/x
  3. Step 3: Cross multiply
    1,275,968.17x = 1,914,226.84 × 636,615.73
  4. Step 4: Simplify right side
    1,275,968.17x = 1,218,626,907,561.06
  5. Step 5: Solve for x
    x = 1,218,626,907,561.06/1,275,968.17
  6. Step 6: Final answer
    x = 955,060.59

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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.