Home / 448,711.40-673,067.10-322,740.20

Finding the Fourth Proportional to 448,711.40, 673,067.10 and 322,740.20

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Solution

The fourth proportional to 448,711.40, 673,067.10 and 322,740.20 is: 484,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,711.40 : 673,067.10 = 322,740.20 : x
  2. Step 2: Convert to fraction form
    448,711.40/673,067.10 = 322,740.20/x
  3. Step 3: Cross multiply
    448,711.40x = 673,067.10 × 322,740.20
  4. Step 4: Simplify right side
    448,711.40x = 217,225,810,467.42
  5. Step 5: Solve for x
    x = 217,225,810,467.42/448,711.40
  6. Step 6: Final answer
    x = 484,110.30

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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.