Home / 2,005,538.40-3,005,683.20-806,479.20

Finding the Fourth Proportional to 2,005,538.40, 3,005,683.20 and 806,479.20

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Solution

The fourth proportional to 2,005,538.40, 3,005,683.20 and 806,479.20 is: 1,208,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,538.40 : 3,005,683.20 = 806,479.20 : x
  2. Step 2: Convert to fraction form
    2,005,538.40/3,005,683.20 = 806,479.20/x
  3. Step 3: Cross multiply
    2,005,538.40x = 3,005,683.20 × 806,479.20
  4. Step 4: Simplify right side
    2,005,538.40x = 2,424,020,982,589.44
  5. Step 5: Solve for x
    x = 2,424,020,982,589.44/2,005,538.40
  6. Step 6: Final answer
    x = 1,208,663.46

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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.