Home / 725,419.54-1,086,076.22-554,445.34

Finding the Fourth Proportional to 725,419.54, 1,086,076.22 and 554,445.34

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Solution

The fourth proportional to 725,419.54, 1,086,076.22 and 554,445.34 is: 830,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,419.54 : 1,086,076.22 = 554,445.34 : x
  2. Step 2: Convert to fraction form
    725,419.54/1,086,076.22 = 554,445.34/x
  3. Step 3: Cross multiply
    725,419.54x = 1,086,076.22 × 554,445.34
  4. Step 4: Simplify right side
    725,419.54x = 602,169,899,063.82
  5. Step 5: Solve for x
    x = 602,169,899,063.82/725,419.54
  6. Step 6: Final answer
    x = 830,098.81

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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.