Home / 1,203,871.86-1,661,342.78-659,995.98

Finding the Fourth Proportional to 1,203,871.86, 1,661,342.78 and 659,995.98

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Solution

The fourth proportional to 1,203,871.86, 1,661,342.78 and 659,995.98 is: 910,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,871.86 : 1,661,342.78 = 659,995.98 : x
  2. Step 2: Convert to fraction form
    1,203,871.86/1,661,342.78 = 659,995.98/x
  3. Step 3: Cross multiply
    1,203,871.86x = 1,661,342.78 × 659,995.98
  4. Step 4: Simplify right side
    1,203,871.86x = 1,096,479,552,902.04
  5. Step 5: Solve for x
    x = 1,096,479,552,902.04/1,203,871.86
  6. Step 6: Final answer
    x = 910,794.24

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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.