Home / 526,981.06-789,987.23-189,939.23

Finding the Fourth Proportional to 526,981.06, 789,987.23 and 189,939.23

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Solution

The fourth proportional to 526,981.06, 789,987.23 and 189,939.23 is: 284,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,981.06 : 789,987.23 = 189,939.23 : x
  2. Step 2: Convert to fraction form
    526,981.06/789,987.23 = 189,939.23/x
  3. Step 3: Cross multiply
    526,981.06x = 789,987.23 × 189,939.23
  4. Step 4: Simplify right side
    526,981.06x = 150,049,561,276.40
  5. Step 5: Solve for x
    x = 150,049,561,276.40/526,981.06
  6. Step 6: Final answer
    x = 284,734.26

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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.