Home / 1,299,357.44-1,949,246.40-400,589.04

Finding the Fourth Proportional to 1,299,357.44, 1,949,246.40 and 400,589.04

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Solution

The fourth proportional to 1,299,357.44, 1,949,246.40 and 400,589.04 is: 600,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,357.44 : 1,949,246.40 = 400,589.04 : x
  2. Step 2: Convert to fraction form
    1,299,357.44/1,949,246.40 = 400,589.04/x
  3. Step 3: Cross multiply
    1,299,357.44x = 1,949,246.40 × 400,589.04
  4. Step 4: Simplify right side
    1,299,357.44x = 780,846,744,099.46
  5. Step 5: Solve for x
    x = 780,846,744,099.46/1,299,357.44
  6. Step 6: Final answer
    x = 600,948.38

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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.