Home / 641,999.88-962,997.58-192,718.93

Finding the Fourth Proportional to 641,999.88, 962,997.58 and 192,718.93

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Solution

The fourth proportional to 641,999.88, 962,997.58 and 192,718.93 is: 289,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,999.88 : 962,997.58 = 192,718.93 : x
  2. Step 2: Convert to fraction form
    641,999.88/962,997.58 = 192,718.93/x
  3. Step 3: Cross multiply
    641,999.88x = 962,997.58 × 192,718.93
  4. Step 4: Simplify right side
    641,999.88x = 185,587,863,210.19
  5. Step 5: Solve for x
    x = 185,587,863,210.19/641,999.88
  6. Step 6: Final answer
    x = 289,077.72

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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.