Home / 351,025.80-526,538.70-307,723.20

Finding the Fourth Proportional to 351,025.80, 526,538.70 and 307,723.20

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Solution

The fourth proportional to 351,025.80, 526,538.70 and 307,723.20 is: 461,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,025.80 : 526,538.70 = 307,723.20 : x
  2. Step 2: Convert to fraction form
    351,025.80/526,538.70 = 307,723.20/x
  3. Step 3: Cross multiply
    351,025.80x = 526,538.70 × 307,723.20
  4. Step 4: Simplify right side
    351,025.80x = 162,028,173,687.84
  5. Step 5: Solve for x
    x = 162,028,173,687.84/351,025.80
  6. Step 6: Final answer
    x = 461,584.80

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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.