Home / 1,439,561.77-2,159,121.22-480,034.05

Finding the Fourth Proportional to 1,439,561.77, 2,159,121.22 and 480,034.05

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Solution

The fourth proportional to 1,439,561.77, 2,159,121.22 and 480,034.05 is: 719,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,561.77 : 2,159,121.22 = 480,034.05 : x
  2. Step 2: Convert to fraction form
    1,439,561.77/2,159,121.22 = 480,034.05/x
  3. Step 3: Cross multiply
    1,439,561.77x = 2,159,121.22 × 480,034.05
  4. Step 4: Simplify right side
    1,439,561.77x = 1,036,451,694,380.75
  5. Step 5: Solve for x
    x = 1,036,451,694,380.75/1,439,561.77
  6. Step 6: Final answer
    x = 719,977.23

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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.