Home / 454,426.80-627,155.64-273,197.76

Finding the Fourth Proportional to 454,426.80, 627,155.64 and 273,197.76

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Solution

The fourth proportional to 454,426.80, 627,155.64 and 273,197.76 is: 377,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,426.80 : 627,155.64 = 273,197.76 : x
  2. Step 2: Convert to fraction form
    454,426.80/627,155.64 = 273,197.76/x
  3. Step 3: Cross multiply
    454,426.80x = 627,155.64 × 273,197.76
  4. Step 4: Simplify right side
    454,426.80x = 171,337,516,019.37
  5. Step 5: Solve for x
    x = 171,337,516,019.37/454,426.80
  6. Step 6: Final answer
    x = 377,040.96

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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.