Home / 484,811.20-669,037.20-269,953.60

Finding the Fourth Proportional to 484,811.20, 669,037.20 and 269,953.60

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Solution

The fourth proportional to 484,811.20, 669,037.20 and 269,953.60 is: 372,534.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,811.20 : 669,037.20 = 269,953.60 : x
  2. Step 2: Convert to fraction form
    484,811.20/669,037.20 = 269,953.60/x
  3. Step 3: Cross multiply
    484,811.20x = 669,037.20 × 269,953.60
  4. Step 4: Simplify right side
    484,811.20x = 180,609,000,673.92
  5. Step 5: Solve for x
    x = 180,609,000,673.92/484,811.20
  6. Step 6: Final answer
    x = 372,534.71

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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.