Home / 2,005,645.40-3,005,843.70-806,586.20

Finding the Fourth Proportional to 2,005,645.40, 3,005,843.70 and 806,586.20

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Solution

The fourth proportional to 2,005,645.40, 3,005,843.70 and 806,586.20 is: 1,208,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,645.40 : 3,005,843.70 = 806,586.20 : x
  2. Step 2: Convert to fraction form
    2,005,645.40/3,005,843.70 = 806,586.20/x
  3. Step 3: Cross multiply
    2,005,645.40x = 3,005,843.70 × 806,586.20
  4. Step 4: Simplify right side
    2,005,645.40x = 2,424,472,047,776.94
  5. Step 5: Solve for x
    x = 2,424,472,047,776.94/2,005,645.40
  6. Step 6: Final answer
    x = 1,208,823.88

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1.5x scale

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.