Home / 819,287.20-1,226,857.20-653,399.20

Finding the Fourth Proportional to 819,287.20, 1,226,857.20 and 653,399.20

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Solution

The fourth proportional to 819,287.20, 1,226,857.20 and 653,399.20 is: 978,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,287.20 : 1,226,857.20 = 653,399.20 : x
  2. Step 2: Convert to fraction form
    819,287.20/1,226,857.20 = 653,399.20/x
  3. Step 3: Cross multiply
    819,287.20x = 1,226,857.20 × 653,399.20
  4. Step 4: Simplify right side
    819,287.20x = 801,627,512,994.24
  5. Step 5: Solve for x
    x = 801,627,512,994.24/819,287.20
  6. Step 6: Final answer
    x = 978,445.06

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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.