Home / 1,359,866.42-1,875,190.82-1,015,149.44

Finding the Fourth Proportional to 1,359,866.42, 1,875,190.82 and 1,015,149.44

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Solution

The fourth proportional to 1,359,866.42, 1,875,190.82 and 1,015,149.44 is: 1,399,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,866.42 : 1,875,190.82 = 1,015,149.44 : x
  2. Step 2: Convert to fraction form
    1,359,866.42/1,875,190.82 = 1,015,149.44/x
  3. Step 3: Cross multiply
    1,359,866.42x = 1,875,190.82 × 1,015,149.44
  4. Step 4: Simplify right side
    1,359,866.42x = 1,903,598,910,816.14
  5. Step 5: Solve for x
    x = 1,903,598,910,816.14/1,359,866.42
  6. Step 6: Final answer
    x = 1,399,842.57

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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.