Home / 1,028,973.17-1,419,517.31-620,944.58

Finding the Fourth Proportional to 1,028,973.17, 1,419,517.31 and 620,944.58

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Solution

The fourth proportional to 1,028,973.17, 1,419,517.31 and 620,944.58 is: 856,622.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,973.17 : 1,419,517.31 = 620,944.58 : x
  2. Step 2: Convert to fraction form
    1,028,973.17/1,419,517.31 = 620,944.58/x
  3. Step 3: Cross multiply
    1,028,973.17x = 1,419,517.31 × 620,944.58
  4. Step 4: Simplify right side
    1,028,973.17x = 881,441,580,304.75
  5. Step 5: Solve for x
    x = 881,441,580,304.75/1,028,973.17
  6. Step 6: Final answer
    x = 856,622.51

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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.