Home / 447,226.77-617,189.40-256,277.06

Finding the Fourth Proportional to 447,226.77, 617,189.40 and 256,277.06

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Solution

The fourth proportional to 447,226.77, 617,189.40 and 256,277.06 is: 353,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,226.77 : 617,189.40 = 256,277.06 : x
  2. Step 2: Convert to fraction form
    447,226.77/617,189.40 = 256,277.06/x
  3. Step 3: Cross multiply
    447,226.77x = 617,189.40 × 256,277.06
  4. Step 4: Simplify right side
    447,226.77x = 158,171,486,874.59
  5. Step 5: Solve for x
    x = 158,171,486,874.59/447,226.77
  6. Step 6: Final answer
    x = 353,671.78

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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.