Home / 448,451.37-672,841.08-208,679.63

Finding the Fourth Proportional to 448,451.37, 672,841.08 and 208,679.63

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Solution

The fourth proportional to 448,451.37, 672,841.08 and 208,679.63 is: 313,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,451.37 : 672,841.08 = 208,679.63 : x
  2. Step 2: Convert to fraction form
    448,451.37/672,841.08 = 208,679.63/x
  3. Step 3: Cross multiply
    448,451.37x = 672,841.08 × 208,679.63
  4. Step 4: Simplify right side
    448,451.37x = 140,408,224,259.00
  5. Step 5: Solve for x
    x = 140,408,224,259.00/448,451.37
  6. Step 6: Final answer
    x = 313,095.76

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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.