Home / 1,419,780.64-1,959,628.88-936,432.16

Finding the Fourth Proportional to 1,419,780.64, 1,959,628.88 and 936,432.16

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Solution

The fourth proportional to 1,419,780.64, 1,959,628.88 and 936,432.16 is: 1,292,495.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,780.64 : 1,959,628.88 = 936,432.16 : x
  2. Step 2: Convert to fraction form
    1,419,780.64/1,959,628.88 = 936,432.16/x
  3. Step 3: Cross multiply
    1,419,780.64x = 1,959,628.88 × 936,432.16
  4. Step 4: Simplify right side
    1,419,780.64x = 1,835,059,504,896.78
  5. Step 5: Solve for x
    x = 1,835,059,504,896.78/1,419,780.64
  6. Step 6: Final answer
    x = 1,292,495.09

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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.