Home / 925,638.87-1,277,499.96-517,763.37

Finding the Fourth Proportional to 925,638.87, 1,277,499.96 and 517,763.37

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Solution

The fourth proportional to 925,638.87, 1,277,499.96 and 517,763.37 is: 714,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,638.87 : 1,277,499.96 = 517,763.37 : x
  2. Step 2: Convert to fraction form
    925,638.87/1,277,499.96 = 517,763.37/x
  3. Step 3: Cross multiply
    925,638.87x = 1,277,499.96 × 517,763.37
  4. Step 4: Simplify right side
    925,638.87x = 661,442,684,464.47
  5. Step 5: Solve for x
    x = 661,442,684,464.47/925,638.87
  6. Step 6: Final answer
    x = 714,579.63

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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.