Home / 951,478.80-1,313,101.44-628,622.52

Finding the Fourth Proportional to 951,478.80, 1,313,101.44 and 628,622.52

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Solution

The fourth proportional to 951,478.80, 1,313,101.44 and 628,622.52 is: 867,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,478.80 : 1,313,101.44 = 628,622.52 : x
  2. Step 2: Convert to fraction form
    951,478.80/1,313,101.44 = 628,622.52/x
  3. Step 3: Cross multiply
    951,478.80x = 1,313,101.44 × 628,622.52
  4. Step 4: Simplify right side
    951,478.80x = 825,445,136,228.43
  5. Step 5: Solve for x
    x = 825,445,136,228.43/951,478.80
  6. Step 6: Final answer
    x = 867,539.18

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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.