Home / 1,519,787.80-2,279,390.10-454,864.60

Finding the Fourth Proportional to 1,519,787.80, 2,279,390.10 and 454,864.60

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Solution

The fourth proportional to 1,519,787.80, 2,279,390.10 and 454,864.60 is: 682,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,787.80 : 2,279,390.10 = 454,864.60 : x
  2. Step 2: Convert to fraction form
    1,519,787.80/2,279,390.10 = 454,864.60/x
  3. Step 3: Cross multiply
    1,519,787.80x = 2,279,390.10 × 454,864.60
  4. Step 4: Simplify right side
    1,519,787.80x = 1,036,813,866,080.46
  5. Step 5: Solve for x
    x = 1,036,813,866,080.46/1,519,787.80
  6. Step 6: Final answer
    x = 682,209.63

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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.