Home / 702,146.50-1,052,265.14-297,001.78

Finding the Fourth Proportional to 702,146.50, 1,052,265.14 and 297,001.78

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Solution

The fourth proportional to 702,146.50, 1,052,265.14 and 297,001.78 is: 445,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,146.50 : 1,052,265.14 = 297,001.78 : x
  2. Step 2: Convert to fraction form
    702,146.50/1,052,265.14 = 297,001.78/x
  3. Step 3: Cross multiply
    702,146.50x = 1,052,265.14 × 297,001.78
  4. Step 4: Simplify right side
    702,146.50x = 312,524,619,611.95
  5. Step 5: Solve for x
    x = 312,524,619,611.95/702,146.50
  6. Step 6: Final answer
    x = 445,098.88

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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.