Home / 1,108,426.92-1,662,733.44-309,716.34

Finding the Fourth Proportional to 1,108,426.92, 1,662,733.44 and 309,716.34

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Solution

The fourth proportional to 1,108,426.92, 1,662,733.44 and 309,716.34 is: 464,600.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,426.92 : 1,662,733.44 = 309,716.34 : x
  2. Step 2: Convert to fraction form
    1,108,426.92/1,662,733.44 = 309,716.34/x
  3. Step 3: Cross multiply
    1,108,426.92x = 1,662,733.44 × 309,716.34
  4. Step 4: Simplify right side
    1,108,426.92x = 514,975,715,432.41
  5. Step 5: Solve for x
    x = 514,975,715,432.41/1,108,426.92
  6. Step 6: Final answer
    x = 464,600.51

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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.