Home / 1,203,865.71-1,661,298.69-659,982.84

Finding the Fourth Proportional to 1,203,865.71, 1,661,298.69 and 659,982.84

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Solution

The fourth proportional to 1,203,865.71, 1,661,298.69 and 659,982.84 is: 910,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,865.71 : 1,661,298.69 = 659,982.84 : x
  2. Step 2: Convert to fraction form
    1,203,865.71/1,661,298.69 = 659,982.84/x
  3. Step 3: Cross multiply
    1,203,865.71x = 1,661,298.69 × 659,982.84
  4. Step 4: Simplify right side
    1,203,865.71x = 1,096,428,627,514.48
  5. Step 5: Solve for x
    x = 1,096,428,627,514.48/1,203,865.71
  6. Step 6: Final answer
    x = 910,756.59

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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.