Home / 526,827.78-789,757.27-189,786.00

Finding the Fourth Proportional to 526,827.78, 789,757.27 and 189,786.00

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Solution

The fourth proportional to 526,827.78, 789,757.27 and 189,786.00 is: 284,504.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,827.78 : 789,757.27 = 189,786.00 : x
  2. Step 2: Convert to fraction form
    526,827.78/789,757.27 = 189,786.00/x
  3. Step 3: Cross multiply
    526,827.78x = 789,757.27 × 189,786.00
  4. Step 4: Simplify right side
    526,827.78x = 149,884,876,798.89
  5. Step 5: Solve for x
    x = 149,884,876,798.89/526,827.78
  6. Step 6: Final answer
    x = 284,504.51

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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.