Home / 1,768,133.40-2,656,136.70-1,696,399.80

Finding the Fourth Proportional to 1,768,133.40, 2,656,136.70 and 1,696,399.80

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Solution

The fourth proportional to 1,768,133.40, 2,656,136.70 and 1,696,399.80 is: 2,548,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,133.40 : 2,656,136.70 = 1,696,399.80 : x
  2. Step 2: Convert to fraction form
    1,768,133.40/2,656,136.70 = 1,696,399.80/x
  3. Step 3: Cross multiply
    1,768,133.40x = 2,656,136.70 × 1,696,399.80
  4. Step 4: Simplify right side
    1,768,133.40x = 4,505,869,766,652.66
  5. Step 5: Solve for x
    x = 4,505,869,766,652.66/1,768,133.40
  6. Step 6: Final answer
    x = 2,548,376.59

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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.