Home / 448,042.60-672,063.90-444,932.20

Finding the Fourth Proportional to 448,042.60, 672,063.90 and 444,932.20

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Solution

The fourth proportional to 448,042.60, 672,063.90 and 444,932.20 is: 667,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,042.60 : 672,063.90 = 444,932.20 : x
  2. Step 2: Convert to fraction form
    448,042.60/672,063.90 = 444,932.20/x
  3. Step 3: Cross multiply
    448,042.60x = 672,063.90 × 444,932.20
  4. Step 4: Simplify right side
    448,042.60x = 299,022,869,567.58
  5. Step 5: Solve for x
    x = 299,022,869,567.58/448,042.60
  6. Step 6: Final answer
    x = 667,398.30

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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.