Home / 498,561.91-747,949.17-228,559.75

Finding the Fourth Proportional to 498,561.91, 747,949.17 and 228,559.75

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Solution

The fourth proportional to 498,561.91, 747,949.17 and 228,559.75 is: 342,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,561.91 : 747,949.17 = 228,559.75 : x
  2. Step 2: Convert to fraction form
    498,561.91/747,949.17 = 228,559.75/x
  3. Step 3: Cross multiply
    498,561.91x = 747,949.17 × 228,559.75
  4. Step 4: Simplify right side
    498,561.91x = 170,951,075,307.91
  5. Step 5: Solve for x
    x = 170,951,075,307.91/498,561.91
  6. Step 6: Final answer
    x = 342,888.36

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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.