Home / 641,002.46-961,505.32-261,923.19

Finding the Fourth Proportional to 641,002.46, 961,505.32 and 261,923.19

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Solution

The fourth proportional to 641,002.46, 961,505.32 and 261,923.19 is: 392,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,002.46 : 961,505.32 = 261,923.19 : x
  2. Step 2: Convert to fraction form
    641,002.46/961,505.32 = 261,923.19/x
  3. Step 3: Cross multiply
    641,002.46x = 961,505.32 × 261,923.19
  4. Step 4: Simplify right side
    641,002.46x = 251,840,540,616.37
  5. Step 5: Solve for x
    x = 251,840,540,616.37/641,002.46
  6. Step 6: Final answer
    x = 392,885.45

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1.5x scale

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.