Home / 526,298.28-789,457.20-171,310.92

Finding the Fourth Proportional to 526,298.28, 789,457.20 and 171,310.92

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Solution

The fourth proportional to 526,298.28, 789,457.20 and 171,310.92 is: 256,969.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,298.28 : 789,457.20 = 171,310.92 : x
  2. Step 2: Convert to fraction form
    526,298.28/789,457.20 = 171,310.92/x
  3. Step 3: Cross multiply
    526,298.28x = 789,457.20 × 171,310.92
  4. Step 4: Simplify right side
    526,298.28x = 135,242,639,232.62
  5. Step 5: Solve for x
    x = 135,242,639,232.62/526,298.28
  6. Step 6: Final answer
    x = 256,969.56

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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.