Home / 447,538.28-617,618.06-243,596.69

Finding the Fourth Proportional to 447,538.28, 617,618.06 and 243,596.69

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Solution

The fourth proportional to 447,538.28, 617,618.06 and 243,596.69 is: 336,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,538.28 : 617,618.06 = 243,596.69 : x
  2. Step 2: Convert to fraction form
    447,538.28/617,618.06 = 243,596.69/x
  3. Step 3: Cross multiply
    447,538.28x = 617,618.06 × 243,596.69
  4. Step 4: Simplify right side
    447,538.28x = 150,449,710,794.15
  5. Step 5: Solve for x
    x = 150,449,710,794.15/447,538.28
  6. Step 6: Final answer
    x = 336,171.72

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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.