Home / 448,233.60-672,787.80-223,847.40

Finding the Fourth Proportional to 448,233.60, 672,787.80 and 223,847.40

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Solution

The fourth proportional to 448,233.60, 672,787.80 and 223,847.40 is: 335,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,233.60 : 672,787.80 = 223,847.40 : x
  2. Step 2: Convert to fraction form
    448,233.60/672,787.80 = 223,847.40/x
  3. Step 3: Cross multiply
    448,233.60x = 672,787.80 × 223,847.40
  4. Step 4: Simplify right side
    448,233.60x = 150,601,799,781.72
  5. Step 5: Solve for x
    x = 150,601,799,781.72/448,233.60
  6. Step 6: Final answer
    x = 335,989.54

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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.