Home / 351,231.10-526,846.65-262,657.60

Finding the Fourth Proportional to 351,231.10, 526,846.65 and 262,657.60

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Solution

The fourth proportional to 351,231.10, 526,846.65 and 262,657.60 is: 393,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,231.10 : 526,846.65 = 262,657.60 : x
  2. Step 2: Convert to fraction form
    351,231.10/526,846.65 = 262,657.60/x
  3. Step 3: Cross multiply
    351,231.10x = 526,846.65 × 262,657.60
  4. Step 4: Simplify right side
    351,231.10x = 138,380,276,657.04
  5. Step 5: Solve for x
    x = 138,380,276,657.04/351,231.10
  6. Step 6: Final answer
    x = 393,986.40

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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.