Home / 526,976.96-789,981.06-189,935.12

Finding the Fourth Proportional to 526,976.96, 789,981.06 and 189,935.12

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Solution

The fourth proportional to 526,976.96, 789,981.06 and 189,935.12 is: 284,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,976.96 : 789,981.06 = 189,935.12 : x
  2. Step 2: Convert to fraction form
    526,976.96/789,981.06 = 189,935.12/x
  3. Step 3: Cross multiply
    526,976.96x = 789,981.06 × 189,935.12
  4. Step 4: Simplify right side
    526,976.96x = 150,045,147,428.83
  5. Step 5: Solve for x
    x = 150,045,147,428.83/526,976.96
  6. Step 6: Final answer
    x = 284,728.10

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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.