Home / 526,260.11-789,439.37-171,178.79

Finding the Fourth Proportional to 526,260.11, 789,439.37 and 171,178.79

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Solution

The fourth proportional to 526,260.11, 789,439.37 and 171,178.79 is: 256,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,260.11 : 789,439.37 = 171,178.79 : x
  2. Step 2: Convert to fraction form
    526,260.11/789,439.37 = 171,178.79/x
  3. Step 3: Cross multiply
    526,260.11x = 789,439.37 × 171,178.79
  4. Step 4: Simplify right side
    526,260.11x = 135,135,271,331.87
  5. Step 5: Solve for x
    x = 135,135,271,331.87/526,260.11
  6. Step 6: Final answer
    x = 256,784.18

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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.