Home / 666,586.26-999,977.94-193,210.11

Finding the Fourth Proportional to 666,586.26, 999,977.94 and 193,210.11

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Solution

The fourth proportional to 666,586.26, 999,977.94 and 193,210.11 is: 289,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,586.26 : 999,977.94 = 193,210.11 : x
  2. Step 2: Convert to fraction form
    666,586.26/999,977.94 = 193,210.11/x
  3. Step 3: Cross multiply
    666,586.26x = 999,977.94 × 193,210.11
  4. Step 4: Simplify right side
    666,586.26x = 193,205,847,784.97
  5. Step 5: Solve for x
    x = 193,205,847,784.97/666,586.26
  6. Step 6: Final answer
    x = 289,843.73

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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.