Home / 666,654.98-1,000,080.94-193,278.83

Finding the Fourth Proportional to 666,654.98, 1,000,080.94 and 193,278.83

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Solution

The fourth proportional to 666,654.98, 1,000,080.94 and 193,278.83 is: 289,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,654.98 : 1,000,080.94 = 193,278.83 : x
  2. Step 2: Convert to fraction form
    666,654.98/1,000,080.94 = 193,278.83/x
  3. Step 3: Cross multiply
    666,654.98x = 1,000,080.94 × 193,278.83
  4. Step 4: Simplify right side
    666,654.98x = 193,294,473,988.50
  5. Step 5: Solve for x
    x = 193,294,473,988.50/666,654.98
  6. Step 6: Final answer
    x = 289,946.79

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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.