Home / 1,028,928.83-1,419,902.46-621,047.86

Finding the Fourth Proportional to 1,028,928.83, 1,419,902.46 and 621,047.86

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Solution

The fourth proportional to 1,028,928.83, 1,419,902.46 and 621,047.86 is: 857,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,928.83 : 1,419,902.46 = 621,047.86 : x
  2. Step 2: Convert to fraction form
    1,028,928.83/1,419,902.46 = 621,047.86/x
  3. Step 3: Cross multiply
    1,028,928.83x = 1,419,902.46 × 621,047.86
  4. Step 4: Simplify right side
    1,028,928.83x = 881,827,380,641.98
  5. Step 5: Solve for x
    x = 881,827,380,641.98/1,028,928.83
  6. Step 6: Final answer
    x = 857,034.38

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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.