Home / 447,231.45-617,195.88-256,281.75

Finding the Fourth Proportional to 447,231.45, 617,195.88 and 256,281.75

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Solution

The fourth proportional to 447,231.45, 617,195.88 and 256,281.75 is: 353,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,231.45 : 617,195.88 = 256,281.75 : x
  2. Step 2: Convert to fraction form
    447,231.45/617,195.88 = 256,281.75/x
  3. Step 3: Cross multiply
    447,231.45x = 617,195.88 × 256,281.75
  4. Step 4: Simplify right side
    447,231.45x = 158,176,040,219.19
  5. Step 5: Solve for x
    x = 158,176,040,219.19/447,231.45
  6. Step 6: Final answer
    x = 353,678.26

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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.