Home / 666,546.20-1,000,052.58-193,259.96

Finding the Fourth Proportional to 666,546.20, 1,000,052.58 and 193,259.96

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Solution

The fourth proportional to 666,546.20, 1,000,052.58 and 193,259.96 is: 289,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,546.20 : 1,000,052.58 = 193,259.96 : x
  2. Step 2: Convert to fraction form
    666,546.20/1,000,052.58 = 193,259.96/x
  3. Step 3: Cross multiply
    666,546.20x = 1,000,052.58 × 193,259.96
  4. Step 4: Simplify right side
    666,546.20x = 193,270,121,608.70
  5. Step 5: Solve for x
    x = 193,270,121,608.70/666,546.20
  6. Step 6: Final answer
    x = 289,957.58

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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.