Home / 1,719,503.49-2,575,321.88-821,576.37

Finding the Fourth Proportional to 1,719,503.49, 2,575,321.88 and 821,576.37

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Solution

The fourth proportional to 1,719,503.49, 2,575,321.88 and 821,576.37 is: 1,230,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,503.49 : 2,575,321.88 = 821,576.37 : x
  2. Step 2: Convert to fraction form
    1,719,503.49/2,575,321.88 = 821,576.37/x
  3. Step 3: Cross multiply
    1,719,503.49x = 2,575,321.88 × 821,576.37
  4. Step 4: Simplify right side
    1,719,503.49x = 2,115,823,597,644.09
  5. Step 5: Solve for x
    x = 2,115,823,597,644.09/1,719,503.49
  6. Step 6: Final answer
    x = 1,230,485.20

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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.