Home / 641,998.13-962,994.96-192,717.18

Finding the Fourth Proportional to 641,998.13, 962,994.96 and 192,717.18

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Solution

The fourth proportional to 641,998.13, 962,994.96 and 192,717.18 is: 289,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,998.13 : 962,994.96 = 192,717.18 : x
  2. Step 2: Convert to fraction form
    641,998.13/962,994.96 = 192,717.18/x
  3. Step 3: Cross multiply
    641,998.13x = 962,994.96 × 192,717.18
  4. Step 4: Simplify right side
    641,998.13x = 185,585,673,045.41
  5. Step 5: Solve for x
    x = 185,585,673,045.41/641,998.13
  6. Step 6: Final answer
    x = 289,075.10

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Similar ratio
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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.