Home / 454,406.80-627,128.04-273,177.40

Finding the Fourth Proportional to 454,406.80, 627,128.04 and 273,177.40

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Solution

The fourth proportional to 454,406.80, 627,128.04 and 273,177.40 is: 377,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,406.80 : 627,128.04 = 273,177.40 : x
  2. Step 2: Convert to fraction form
    454,406.80/627,128.04 = 273,177.40/x
  3. Step 3: Cross multiply
    454,406.80x = 627,128.04 × 273,177.40
  4. Step 4: Simplify right side
    454,406.80x = 171,317,207,434.30
  5. Step 5: Solve for x
    x = 171,317,207,434.30/454,406.80
  6. Step 6: Final answer
    x = 377,012.86

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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.