Home / 411,462.02-617,188.56-312,231.62

Finding the Fourth Proportional to 411,462.02, 617,188.56 and 312,231.62

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Solution

The fourth proportional to 411,462.02, 617,188.56 and 312,231.62 is: 468,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,462.02 : 617,188.56 = 312,231.62 : x
  2. Step 2: Convert to fraction form
    411,462.02/617,188.56 = 312,231.62/x
  3. Step 3: Cross multiply
    411,462.02x = 617,188.56 × 312,231.62
  4. Step 4: Simplify right side
    411,462.02x = 192,705,783,934.27
  5. Step 5: Solve for x
    x = 192,705,783,934.27/411,462.02
  6. Step 6: Final answer
    x = 468,344.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.