Home / 1,704,126.80-2,555,218.20-639,203.60

Finding the Fourth Proportional to 1,704,126.80, 2,555,218.20 and 639,203.60

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Solution

The fourth proportional to 1,704,126.80, 2,555,218.20 and 639,203.60 is: 958,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,126.80 : 2,555,218.20 = 639,203.60 : x
  2. Step 2: Convert to fraction form
    1,704,126.80/2,555,218.20 = 639,203.60/x
  3. Step 3: Cross multiply
    1,704,126.80x = 2,555,218.20 × 639,203.60
  4. Step 4: Simplify right side
    1,704,126.80x = 1,633,304,672,225.52
  5. Step 5: Solve for x
    x = 1,633,304,672,225.52/1,704,126.80
  6. Step 6: Final answer
    x = 958,440.81

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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.