Home / 925,456.60-1,277,121-517,553.74

Finding the Fourth Proportional to 925,456.60, 1,277,121 and 517,553.74

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Solution

The fourth proportional to 925,456.60, 1,277,121 and 517,553.74 is: 714,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,456.60 : 1,277,121 = 517,553.74 : x
  2. Step 2: Convert to fraction form
    925,456.60/1,277,121 = 517,553.74/x
  3. Step 3: Cross multiply
    925,456.60x = 1,277,121 × 517,553.74
  4. Step 4: Simplify right side
    925,456.60x = 660,978,749,982.54
  5. Step 5: Solve for x
    x = 660,978,749,982.54/925,456.60
  6. Step 6: Final answer
    x = 714,219.07

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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.