Home / 1,589,282.20-2,379,986.70-1,019,787.40

Finding the Fourth Proportional to 1,589,282.20, 2,379,986.70 and 1,019,787.40

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Solution

The fourth proportional to 1,589,282.20, 2,379,986.70 and 1,019,787.40 is: 1,527,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,282.20 : 2,379,986.70 = 1,019,787.40 : x
  2. Step 2: Convert to fraction form
    1,589,282.20/2,379,986.70 = 1,019,787.40/x
  3. Step 3: Cross multiply
    1,589,282.20x = 2,379,986.70 × 1,019,787.40
  4. Step 4: Simplify right side
    1,589,282.20x = 2,427,080,448,827.58
  5. Step 5: Solve for x
    x = 2,427,080,448,827.58/1,589,282.20
  6. Step 6: Final answer
    x = 1,527,155.12

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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.