Home / 1,661,409.90-2,292,793.70-936,217.71

Finding the Fourth Proportional to 1,661,409.90, 2,292,793.70 and 936,217.71

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Solution

The fourth proportional to 1,661,409.90, 2,292,793.70 and 936,217.71 is: 1,292,007.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,409.90 : 2,292,793.70 = 936,217.71 : x
  2. Step 2: Convert to fraction form
    1,661,409.90/2,292,793.70 = 936,217.71/x
  3. Step 3: Cross multiply
    1,661,409.90x = 2,292,793.70 × 936,217.71
  4. Step 4: Simplify right side
    1,661,409.90x = 2,146,554,062,635.34
  5. Step 5: Solve for x
    x = 2,146,554,062,635.34/1,661,409.90
  6. Step 6: Final answer
    x = 1,292,007.51

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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.