Home / 814,786.56-1,124,388.54-452,189.34

Finding the Fourth Proportional to 814,786.56, 1,124,388.54 and 452,189.34

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Solution

The fourth proportional to 814,786.56, 1,124,388.54 and 452,189.34 is: 624,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,786.56 : 1,124,388.54 = 452,189.34 : x
  2. Step 2: Convert to fraction form
    814,786.56/1,124,388.54 = 452,189.34/x
  3. Step 3: Cross multiply
    814,786.56x = 1,124,388.54 × 452,189.34
  4. Step 4: Simplify right side
    814,786.56x = 508,436,511,806.16
  5. Step 5: Solve for x
    x = 508,436,511,806.16/814,786.56
  6. Step 6: Final answer
    x = 624,011.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.