Home / 819,044.17-1,228,628.36-279,132.59

Finding the Fourth Proportional to 819,044.17, 1,228,628.36 and 279,132.59

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Solution

The fourth proportional to 819,044.17, 1,228,628.36 and 279,132.59 is: 418,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,044.17 : 1,228,628.36 = 279,132.59 : x
  2. Step 2: Convert to fraction form
    819,044.17/1,228,628.36 = 279,132.59/x
  3. Step 3: Cross multiply
    819,044.17x = 1,228,628.36 × 279,132.59
  4. Step 4: Simplify right side
    819,044.17x = 342,950,220,043.66
  5. Step 5: Solve for x
    x = 342,950,220,043.66/819,044.17
  6. Step 6: Final answer
    x = 418,720.06

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1.5x scale

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.