Home / 878,677.45-1,317,757.84-373,234.42

Finding the Fourth Proportional to 878,677.45, 1,317,757.84 and 373,234.42

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Solution

The fourth proportional to 878,677.45, 1,317,757.84 and 373,234.42 is: 559,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,677.45 : 1,317,757.84 = 373,234.42 : x
  2. Step 2: Convert to fraction form
    878,677.45/1,317,757.84 = 373,234.42/x
  3. Step 3: Cross multiply
    878,677.45x = 1,317,757.84 × 373,234.42
  4. Step 4: Simplify right side
    878,677.45x = 491,832,583,112.85
  5. Step 5: Solve for x
    x = 491,832,583,112.85/878,677.45
  6. Step 6: Final answer
    x = 559,741.90

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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.