Home / 526,136.38-789,321.48-245,500.54

Finding the Fourth Proportional to 526,136.38, 789,321.48 and 245,500.54

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Solution

The fourth proportional to 526,136.38, 789,321.48 and 245,500.54 is: 368,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,136.38 : 789,321.48 = 245,500.54 : x
  2. Step 2: Convert to fraction form
    526,136.38/789,321.48 = 245,500.54/x
  3. Step 3: Cross multiply
    526,136.38x = 789,321.48 × 245,500.54
  4. Step 4: Simplify right side
    526,136.38x = 193,778,849,573.60
  5. Step 5: Solve for x
    x = 193,778,849,573.60/526,136.38
  6. Step 6: Final answer
    x = 368,305.36

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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.