Home / 829,824.80-1,244,737.20-816,000.80

Finding the Fourth Proportional to 829,824.80, 1,244,737.20 and 816,000.80

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Solution

The fourth proportional to 829,824.80, 1,244,737.20 and 816,000.80 is: 1,224,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,824.80 : 1,244,737.20 = 816,000.80 : x
  2. Step 2: Convert to fraction form
    829,824.80/1,244,737.20 = 816,000.80/x
  3. Step 3: Cross multiply
    829,824.80x = 1,244,737.20 × 816,000.80
  4. Step 4: Simplify right side
    829,824.80x = 1,015,706,550,989.76
  5. Step 5: Solve for x
    x = 1,015,706,550,989.76/829,824.80
  6. Step 6: Final answer
    x = 1,224,001.20

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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.