Home / 939,004.92-1,406,103.30-517,813.56

Finding the Fourth Proportional to 939,004.92, 1,406,103.30 and 517,813.56

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Solution

The fourth proportional to 939,004.92, 1,406,103.30 and 517,813.56 is: 775,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,004.92 : 1,406,103.30 = 517,813.56 : x
  2. Step 2: Convert to fraction form
    939,004.92/1,406,103.30 = 517,813.56/x
  3. Step 3: Cross multiply
    939,004.92x = 1,406,103.30 × 517,813.56
  4. Step 4: Simplify right side
    939,004.92x = 728,099,355,500.75
  5. Step 5: Solve for x
    x = 728,099,355,500.75/939,004.92
  6. Step 6: Final answer
    x = 775,394.61

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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.