Home / 850,325.38-1,173,404.70-528,028.54

Finding the Fourth Proportional to 850,325.38, 1,173,404.70 and 528,028.54

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Solution

The fourth proportional to 850,325.38, 1,173,404.70 and 528,028.54 is: 728,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,325.38 : 1,173,404.70 = 528,028.54 : x
  2. Step 2: Convert to fraction form
    850,325.38/1,173,404.70 = 528,028.54/x
  3. Step 3: Cross multiply
    850,325.38x = 1,173,404.70 × 528,028.54
  4. Step 4: Simplify right side
    850,325.38x = 619,591,170,570.14
  5. Step 5: Solve for x
    x = 619,591,170,570.14/850,325.38
  6. Step 6: Final answer
    x = 728,651.86

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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.