Home / 1,582,540.46-2,183,902.88-857,406.20

Finding the Fourth Proportional to 1,582,540.46, 2,183,902.88 and 857,406.20

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Solution

The fourth proportional to 1,582,540.46, 2,183,902.88 and 857,406.20 is: 1,183,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582,540.46 : 2,183,902.88 = 857,406.20 : x
  2. Step 2: Convert to fraction form
    1,582,540.46/2,183,902.88 = 857,406.20/x
  3. Step 3: Cross multiply
    1,582,540.46x = 2,183,902.88 × 857,406.20
  4. Step 4: Simplify right side
    1,582,540.46x = 1,872,491,869,509.86
  5. Step 5: Solve for x
    x = 1,872,491,869,509.86/1,582,540.46
  6. Step 6: Final answer
    x = 1,183,218.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.