Home / 454,868.10-627,667.74-263,844.54

Finding the Fourth Proportional to 454,868.10, 627,667.74 and 263,844.54

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Solution

The fourth proportional to 454,868.10, 627,667.74 and 263,844.54 is: 364,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,868.10 : 627,667.74 = 263,844.54 : x
  2. Step 2: Convert to fraction form
    454,868.10/627,667.74 = 263,844.54/x
  3. Step 3: Cross multiply
    454,868.10x = 627,667.74 × 263,844.54
  4. Step 4: Simplify right side
    454,868.10x = 165,606,706,133.14
  5. Step 5: Solve for x
    x = 165,606,706,133.14/454,868.10
  6. Step 6: Final answer
    x = 364,076.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.