Home / 1,913,209.35-2,869,979.22-493,253.43

Finding the Fourth Proportional to 1,913,209.35, 2,869,979.22 and 493,253.43

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Solution

The fourth proportional to 1,913,209.35, 2,869,979.22 and 493,253.43 is: 739,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,209.35 : 2,869,979.22 = 493,253.43 : x
  2. Step 2: Convert to fraction form
    1,913,209.35/2,869,979.22 = 493,253.43/x
  3. Step 3: Cross multiply
    1,913,209.35x = 2,869,979.22 × 493,253.43
  4. Step 4: Simplify right side
    1,913,209.35x = 1,415,627,094,293.72
  5. Step 5: Solve for x
    x = 1,415,627,094,293.72/1,913,209.35
  6. Step 6: Final answer
    x = 739,922.73

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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.