Home / 496,206.55-684,512.56-324,225.05

Finding the Fourth Proportional to 496,206.55, 684,512.56 and 324,225.05

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Solution

The fourth proportional to 496,206.55, 684,512.56 and 324,225.05 is: 447,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,206.55 : 684,512.56 = 324,225.05 : x
  2. Step 2: Convert to fraction form
    496,206.55/684,512.56 = 324,225.05/x
  3. Step 3: Cross multiply
    496,206.55x = 684,512.56 × 324,225.05
  4. Step 4: Simplify right side
    496,206.55x = 221,936,119,824.73
  5. Step 5: Solve for x
    x = 221,936,119,824.73/496,206.55
  6. Step 6: Final answer
    x = 447,265.60

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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.