Home / 1,285,757.28-1,928,765.52-339,193.44

Finding the Fourth Proportional to 1,285,757.28, 1,928,765.52 and 339,193.44

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Solution

The fourth proportional to 1,285,757.28, 1,928,765.52 and 339,193.44 is: 508,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,757.28 : 1,928,765.52 = 339,193.44 : x
  2. Step 2: Convert to fraction form
    1,285,757.28/1,928,765.52 = 339,193.44/x
  3. Step 3: Cross multiply
    1,285,757.28x = 1,928,765.52 × 339,193.44
  4. Step 4: Simplify right side
    1,285,757.28x = 654,224,611,682.19
  5. Step 5: Solve for x
    x = 654,224,611,682.19/1,285,757.28
  6. Step 6: Final answer
    x = 508,824.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.