Home / 444,868.80-667,303.20-440,721.60

Finding the Fourth Proportional to 444,868.80, 667,303.20 and 440,721.60

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Solution

The fourth proportional to 444,868.80, 667,303.20 and 440,721.60 is: 661,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,868.80 : 667,303.20 = 440,721.60 : x
  2. Step 2: Convert to fraction form
    444,868.80/667,303.20 = 440,721.60/x
  3. Step 3: Cross multiply
    444,868.80x = 667,303.20 × 440,721.60
  4. Step 4: Simplify right side
    444,868.80x = 294,094,933,989.12
  5. Step 5: Solve for x
    x = 294,094,933,989.12/444,868.80
  6. Step 6: Final answer
    x = 661,082.40

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Similar ratio
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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.