Home / 637,845.30-956,422.35-263,906.10

Finding the Fourth Proportional to 637,845.30, 956,422.35 and 263,906.10

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Solution

The fourth proportional to 637,845.30, 956,422.35 and 263,906.10 is: 395,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,845.30 : 956,422.35 = 263,906.10 : x
  2. Step 2: Convert to fraction form
    637,845.30/956,422.35 = 263,906.10/x
  3. Step 3: Cross multiply
    637,845.30x = 956,422.35 × 263,906.10
  4. Step 4: Simplify right side
    637,845.30x = 252,405,692,341.34
  5. Step 5: Solve for x
    x = 252,405,692,341.34/637,845.30
  6. Step 6: Final answer
    x = 395,716.16

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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.