Home / 448,924.60-671,442.90-401,879.80

Finding the Fourth Proportional to 448,924.60, 671,442.90 and 401,879.80

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Solution

The fourth proportional to 448,924.60, 671,442.90 and 401,879.80 is: 601,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,924.60 : 671,442.90 = 401,879.80 : x
  2. Step 2: Convert to fraction form
    448,924.60/671,442.90 = 401,879.80/x
  3. Step 3: Cross multiply
    448,924.60x = 671,442.90 × 401,879.80
  4. Step 4: Simplify right side
    448,924.60x = 269,839,338,363.42
  5. Step 5: Solve for x
    x = 269,839,338,363.42/448,924.60
  6. Step 6: Final answer
    x = 601,079.42

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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.