Home / 709,489.80-1,064,234.70-681,496.20

Finding the Fourth Proportional to 709,489.80, 1,064,234.70 and 681,496.20

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Solution

The fourth proportional to 709,489.80, 1,064,234.70 and 681,496.20 is: 1,022,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,489.80 : 1,064,234.70 = 681,496.20 : x
  2. Step 2: Convert to fraction form
    709,489.80/1,064,234.70 = 681,496.20/x
  3. Step 3: Cross multiply
    709,489.80x = 1,064,234.70 × 681,496.20
  4. Step 4: Simplify right side
    709,489.80x = 725,271,903,958.14
  5. Step 5: Solve for x
    x = 725,271,903,958.14/709,489.80
  6. Step 6: Final answer
    x = 1,022,244.30

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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.