Home / 943,341.69-1,415,233.97-312,255.50

Finding the Fourth Proportional to 943,341.69, 1,415,233.97 and 312,255.50

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Solution

The fourth proportional to 943,341.69, 1,415,233.97 and 312,255.50 is: 468,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,341.69 : 1,415,233.97 = 312,255.50 : x
  2. Step 2: Convert to fraction form
    943,341.69/1,415,233.97 = 312,255.50/x
  3. Step 3: Cross multiply
    943,341.69x = 1,415,233.97 × 312,255.50
  4. Step 4: Simplify right side
    943,341.69x = 441,914,589,358.06
  5. Step 5: Solve for x
    x = 441,914,589,358.06/943,341.69
  6. Step 6: Final answer
    x = 468,456.55

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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.