Home / 454,186.69-626,777.64-263,310.80

Finding the Fourth Proportional to 454,186.69, 626,777.64 and 263,310.80

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Solution

The fourth proportional to 454,186.69, 626,777.64 and 263,310.80 is: 363,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,186.69 : 626,777.64 = 263,310.80 : x
  2. Step 2: Convert to fraction form
    454,186.69/626,777.64 = 263,310.80/x
  3. Step 3: Cross multiply
    454,186.69x = 626,777.64 × 263,310.80
  4. Step 4: Simplify right side
    454,186.69x = 165,037,318,676.62
  5. Step 5: Solve for x
    x = 165,037,318,676.62/454,186.69
  6. Step 6: Final answer
    x = 363,368.90

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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.