Home / 454,849.21-627,746.12-263,869.03

Finding the Fourth Proportional to 454,849.21, 627,746.12 and 263,869.03

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Solution

The fourth proportional to 454,849.21, 627,746.12 and 263,869.03 is: 364,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,849.21 : 627,746.12 = 263,869.03 : x
  2. Step 2: Convert to fraction form
    454,849.21/627,746.12 = 263,869.03/x
  3. Step 3: Cross multiply
    454,849.21x = 627,746.12 × 263,869.03
  4. Step 4: Simplify right side
    454,849.21x = 165,642,759,770.66
  5. Step 5: Solve for x
    x = 165,642,759,770.66/454,849.21
  6. Step 6: Final answer
    x = 364,170.71

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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.