Home / 1,256,453.39-1,884,680.19-878,112.92

Finding the Fourth Proportional to 1,256,453.39, 1,884,680.19 and 878,112.92

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Solution

The fourth proportional to 1,256,453.39, 1,884,680.19 and 878,112.92 is: 1,317,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,453.39 : 1,884,680.19 = 878,112.92 : x
  2. Step 2: Convert to fraction form
    1,256,453.39/1,884,680.19 = 878,112.92/x
  3. Step 3: Cross multiply
    1,256,453.39x = 1,884,680.19 × 878,112.92
  4. Step 4: Simplify right side
    1,256,453.39x = 1,654,962,029,618.76
  5. Step 5: Solve for x
    x = 1,654,962,029,618.76/1,256,453.39
  6. Step 6: Final answer
    x = 1,317,169.45

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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.