Home / 1,999,660.60-2,998,873.68-579,821.32

Finding the Fourth Proportional to 1,999,660.60, 2,998,873.68 and 579,821.32

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Solution

The fourth proportional to 1,999,660.60, 2,998,873.68 and 579,821.32 is: 869,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,660.60 : 2,998,873.68 = 579,821.32 : x
  2. Step 2: Convert to fraction form
    1,999,660.60/2,998,873.68 = 579,821.32/x
  3. Step 3: Cross multiply
    1,999,660.60x = 2,998,873.68 × 579,821.32
  4. Step 4: Simplify right side
    1,999,660.60x = 1,738,810,895,650.86
  5. Step 5: Solve for x
    x = 1,738,810,895,650.86/1,999,660.60
  6. Step 6: Final answer
    x = 869,553.01

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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.