Home / 1,203,969.86-1,661,469.62-660,096.68

Finding the Fourth Proportional to 1,203,969.86, 1,661,469.62 and 660,096.68

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Solution

The fourth proportional to 1,203,969.86, 1,661,469.62 and 660,096.68 is: 910,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,969.86 : 1,661,469.62 = 660,096.68 : x
  2. Step 2: Convert to fraction form
    1,203,969.86/1,661,469.62 = 660,096.68/x
  3. Step 3: Cross multiply
    1,203,969.86x = 1,661,469.62 × 660,096.68
  4. Step 4: Simplify right side
    1,203,969.86x = 1,096,730,580,082.86
  5. Step 5: Solve for x
    x = 1,096,730,580,082.86/1,203,969.86
  6. Step 6: Final answer
    x = 910,928.60

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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.