Home / 1,913,171.43-2,869,922.39-493,215.51

Finding the Fourth Proportional to 1,913,171.43, 2,869,922.39 and 493,215.51

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Solution

The fourth proportional to 1,913,171.43, 2,869,922.39 and 493,215.51 is: 739,865.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,171.43 : 2,869,922.39 = 493,215.51 : x
  2. Step 2: Convert to fraction form
    1,913,171.43/2,869,922.39 = 493,215.51/x
  3. Step 3: Cross multiply
    1,913,171.43x = 2,869,922.39 × 493,215.51
  4. Step 4: Simplify right side
    1,913,171.43x = 1,415,490,232,778.19
  5. Step 5: Solve for x
    x = 1,415,490,232,778.19/1,913,171.43
  6. Step 6: Final answer
    x = 739,865.86

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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.