Home / 340,463.05-469,039.82-236,919.23

Finding the Fourth Proportional to 340,463.05, 469,039.82 and 236,919.23

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Solution

The fourth proportional to 340,463.05, 469,039.82 and 236,919.23 is: 326,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,463.05 : 469,039.82 = 236,919.23 : x
  2. Step 2: Convert to fraction form
    340,463.05/469,039.82 = 236,919.23/x
  3. Step 3: Cross multiply
    340,463.05x = 469,039.82 × 236,919.23
  4. Step 4: Simplify right side
    340,463.05x = 111,124,551,222.84
  5. Step 5: Solve for x
    x = 111,124,551,222.84/340,463.05
  6. Step 6: Final answer
    x = 326,392.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.