Home / 1,027,800.06-1,418,194.88-645,554.58

Finding the Fourth Proportional to 1,027,800.06, 1,418,194.88 and 645,554.58

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Solution

The fourth proportional to 1,027,800.06, 1,418,194.88 and 645,554.58 is: 890,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,800.06 : 1,418,194.88 = 645,554.58 : x
  2. Step 2: Convert to fraction form
    1,027,800.06/1,418,194.88 = 645,554.58/x
  3. Step 3: Cross multiply
    1,027,800.06x = 1,418,194.88 × 645,554.58
  4. Step 4: Simplify right side
    1,027,800.06x = 915,522,200,116.55
  5. Step 5: Solve for x
    x = 915,522,200,116.55/1,027,800.06
  6. Step 6: Final answer
    x = 890,759.05

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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.