Home / 351,230.10-526,845.15-262,656.60

Finding the Fourth Proportional to 351,230.10, 526,845.15 and 262,656.60

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Solution

The fourth proportional to 351,230.10, 526,845.15 and 262,656.60 is: 393,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,230.10 : 526,845.15 = 262,656.60 : x
  2. Step 2: Convert to fraction form
    351,230.10/526,845.15 = 262,656.60/x
  3. Step 3: Cross multiply
    351,230.10x = 526,845.15 × 262,656.60
  4. Step 4: Simplify right side
    351,230.10x = 138,379,355,825.49
  5. Step 5: Solve for x
    x = 138,379,355,825.49/351,230.10
  6. Step 6: Final answer
    x = 393,984.90

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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.