Home / 446,913.40-669,932.70-180,318.10

Finding the Fourth Proportional to 446,913.40, 669,932.70 and 180,318.10

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Solution

The fourth proportional to 446,913.40, 669,932.70 and 180,318.10 is: 270,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,913.40 : 669,932.70 = 180,318.10 : x
  2. Step 2: Convert to fraction form
    446,913.40/669,932.70 = 180,318.10/x
  3. Step 3: Cross multiply
    446,913.40x = 669,932.70 × 180,318.10
  4. Step 4: Simplify right side
    446,913.40x = 120,800,991,591.87
  5. Step 5: Solve for x
    x = 120,800,991,591.87/446,913.40
  6. Step 6: Final answer
    x = 270,300.67

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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.