Home / 943,112.64-1,414,843.92-312,031.92

Finding the Fourth Proportional to 943,112.64, 1,414,843.92 and 312,031.92

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Solution

The fourth proportional to 943,112.64, 1,414,843.92 and 312,031.92 is: 468,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,112.64 : 1,414,843.92 = 312,031.92 : x
  2. Step 2: Convert to fraction form
    943,112.64/1,414,843.92 = 312,031.92/x
  3. Step 3: Cross multiply
    943,112.64x = 1,414,843.92 × 312,031.92
  4. Step 4: Simplify right side
    943,112.64x = 441,476,464,857.93
  5. Step 5: Solve for x
    x = 441,476,464,857.93/943,112.64
  6. Step 6: Final answer
    x = 468,105.77

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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.