Home / 448,557.12-672,074.01-270,690.37

Finding the Fourth Proportional to 448,557.12, 672,074.01 and 270,690.37

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Solution

The fourth proportional to 448,557.12, 672,074.01 and 270,690.37 is: 405,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,557.12 : 672,074.01 = 270,690.37 : x
  2. Step 2: Convert to fraction form
    448,557.12/672,074.01 = 270,690.37/x
  3. Step 3: Cross multiply
    448,557.12x = 672,074.01 × 270,690.37
  4. Step 4: Simplify right side
    448,557.12x = 181,923,962,434.28
  5. Step 5: Solve for x
    x = 181,923,962,434.28/448,557.12
  6. Step 6: Final answer
    x = 405,575.91

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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.