Home / 1,117,926.36-1,676,295-819,136.80

Finding the Fourth Proportional to 1,117,926.36, 1,676,295 and 819,136.80

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Solution

The fourth proportional to 1,117,926.36, 1,676,295 and 819,136.80 is: 1,228,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,926.36 : 1,676,295 = 819,136.80 : x
  2. Step 2: Convert to fraction form
    1,117,926.36/1,676,295 = 819,136.80/x
  3. Step 3: Cross multiply
    1,117,926.36x = 1,676,295 × 819,136.80
  4. Step 4: Simplify right side
    1,117,926.36x = 1,373,114,922,156
  5. Step 5: Solve for x
    x = 1,373,114,922,156/1,117,926.36
  6. Step 6: Final answer
    x = 1,228,269.56

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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.