Home / 448,823.58-672,593.85-329,559.18

Finding the Fourth Proportional to 448,823.58, 672,593.85 and 329,559.18

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Solution

The fourth proportional to 448,823.58, 672,593.85 and 329,559.18 is: 493,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,823.58 : 672,593.85 = 329,559.18 : x
  2. Step 2: Convert to fraction form
    448,823.58/672,593.85 = 329,559.18/x
  3. Step 3: Cross multiply
    448,823.58x = 672,593.85 × 329,559.18
  4. Step 4: Simplify right side
    448,823.58x = 221,659,477,679.04
  5. Step 5: Solve for x
    x = 221,659,477,679.04/448,823.58
  6. Step 6: Final answer
    x = 493,867.72

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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.