Home / 445,977.94-615,451.22-242,028.85

Finding the Fourth Proportional to 445,977.94, 615,451.22 and 242,028.85

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Solution

The fourth proportional to 445,977.94, 615,451.22 and 242,028.85 is: 334,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,977.94 : 615,451.22 = 242,028.85 : x
  2. Step 2: Convert to fraction form
    445,977.94/615,451.22 = 242,028.85/x
  3. Step 3: Cross multiply
    445,977.94x = 615,451.22 × 242,028.85
  4. Step 4: Simplify right side
    445,977.94x = 148,956,951,007.70
  5. Step 5: Solve for x
    x = 148,956,951,007.70/445,977.94
  6. Step 6: Final answer
    x = 334,000.72

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1.5x scale

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.