Home / 1,420,382.44-2,130,872.88-460,763.11

Finding the Fourth Proportional to 1,420,382.44, 2,130,872.88 and 460,763.11

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Solution

The fourth proportional to 1,420,382.44, 2,130,872.88 and 460,763.11 is: 691,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,382.44 : 2,130,872.88 = 460,763.11 : x
  2. Step 2: Convert to fraction form
    1,420,382.44/2,130,872.88 = 460,763.11/x
  3. Step 3: Cross multiply
    1,420,382.44x = 2,130,872.88 × 460,763.11
  4. Step 4: Simplify right side
    1,420,382.44x = 981,827,619,594.91
  5. Step 5: Solve for x
    x = 981,827,619,594.91/1,420,382.44
  6. Step 6: Final answer
    x = 691,241.73

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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.