Home / 1,172,520.45-1,757,446.52-498,180.87

Finding the Fourth Proportional to 1,172,520.45, 1,757,446.52 and 498,180.87

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Solution

The fourth proportional to 1,172,520.45, 1,757,446.52 and 498,180.87 is: 746,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,520.45 : 1,757,446.52 = 498,180.87 : x
  2. Step 2: Convert to fraction form
    1,172,520.45/1,757,446.52 = 498,180.87/x
  3. Step 3: Cross multiply
    1,172,520.45x = 1,757,446.52 × 498,180.87
  4. Step 4: Simplify right side
    1,172,520.45x = 875,526,233,821.17
  5. Step 5: Solve for x
    x = 875,526,233,821.17/1,172,520.45
  6. Step 6: Final answer
    x = 746,704.45

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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.