Home / 699,910.94-1,048,890.42-528,992.34

Finding the Fourth Proportional to 699,910.94, 1,048,890.42 and 528,992.34

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Solution

The fourth proportional to 699,910.94, 1,048,890.42 and 528,992.34 is: 792,750.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,910.94 : 1,048,890.42 = 528,992.34 : x
  2. Step 2: Convert to fraction form
    699,910.94/1,048,890.42 = 528,992.34/x
  3. Step 3: Cross multiply
    699,910.94x = 1,048,890.42 × 528,992.34
  4. Step 4: Simplify right side
    699,910.94x = 554,854,997,679.38
  5. Step 5: Solve for x
    x = 554,854,997,679.38/699,910.94
  6. Step 6: Final answer
    x = 792,750.86

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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.