Home / 452,976.37-678,966.33-186,591.60

Finding the Fourth Proportional to 452,976.37, 678,966.33 and 186,591.60

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Solution

The fourth proportional to 452,976.37, 678,966.33 and 186,591.60 is: 279,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,976.37 : 678,966.33 = 186,591.60 : x
  2. Step 2: Convert to fraction form
    452,976.37/678,966.33 = 186,591.60/x
  3. Step 3: Cross multiply
    452,976.37x = 678,966.33 × 186,591.60
  4. Step 4: Simplify right side
    452,976.37x = 126,689,414,560.55
  5. Step 5: Solve for x
    x = 126,689,414,560.55/452,976.37
  6. Step 6: Final answer
    x = 279,682.17

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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.