Home / 1,027,797.06-1,418,190.75-645,551.58

Finding the Fourth Proportional to 1,027,797.06, 1,418,190.75 and 645,551.58

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Solution

The fourth proportional to 1,027,797.06, 1,418,190.75 and 645,551.58 is: 890,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,797.06 : 1,418,190.75 = 645,551.58 : x
  2. Step 2: Convert to fraction form
    1,027,797.06/1,418,190.75 = 645,551.58/x
  3. Step 3: Cross multiply
    1,027,797.06x = 1,418,190.75 × 645,551.58
  4. Step 4: Simplify right side
    1,027,797.06x = 915,515,279,403.89
  5. Step 5: Solve for x
    x = 915,515,279,403.89/1,027,797.06
  6. Step 6: Final answer
    x = 890,754.91

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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.