Home / 666,546.96-1,000,053.70-193,260.72

Finding the Fourth Proportional to 666,546.96, 1,000,053.70 and 193,260.72

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Solution

The fourth proportional to 666,546.96, 1,000,053.70 and 193,260.72 is: 289,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,546.96 : 1,000,053.70 = 193,260.72 : x
  2. Step 2: Convert to fraction form
    666,546.96/1,000,053.70 = 193,260.72/x
  3. Step 3: Cross multiply
    666,546.96x = 1,000,053.70 × 193,260.72
  4. Step 4: Simplify right side
    666,546.96x = 193,271,098,100.66
  5. Step 5: Solve for x
    x = 193,271,098,100.66/666,546.96
  6. Step 6: Final answer
    x = 289,958.71

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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.