Home / 454,127.37-679,972.84-253,877.44

Finding the Fourth Proportional to 454,127.37, 679,972.84 and 253,877.44

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Solution

The fourth proportional to 454,127.37, 679,972.84 and 253,877.44 is: 380,135.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,127.37 : 679,972.84 = 253,877.44 : x
  2. Step 2: Convert to fraction form
    454,127.37/679,972.84 = 253,877.44/x
  3. Step 3: Cross multiply
    454,127.37x = 679,972.84 × 253,877.44
  4. Step 4: Simplify right side
    454,127.37x = 172,629,763,888.73
  5. Step 5: Solve for x
    x = 172,629,763,888.73/454,127.37
  6. Step 6: Final answer
    x = 380,135.12

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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.