Home / 823,043.73-1,136,188.67-619,172.45

Finding the Fourth Proportional to 823,043.73, 1,136,188.67 and 619,172.45

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Solution

The fourth proportional to 823,043.73, 1,136,188.67 and 619,172.45 is: 854,750.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,043.73 : 1,136,188.67 = 619,172.45 : x
  2. Step 2: Convert to fraction form
    823,043.73/1,136,188.67 = 619,172.45/x
  3. Step 3: Cross multiply
    823,043.73x = 1,136,188.67 × 619,172.45
  4. Step 4: Simplify right side
    823,043.73x = 703,496,727,823.95
  5. Step 5: Solve for x
    x = 703,496,727,823.95/823,043.73
  6. Step 6: Final answer
    x = 854,750.12

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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.