Home / 1,295,998.20-1,943,997.30-914,455.80

Finding the Fourth Proportional to 1,295,998.20, 1,943,997.30 and 914,455.80

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Solution

The fourth proportional to 1,295,998.20, 1,943,997.30 and 914,455.80 is: 1,371,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,998.20 : 1,943,997.30 = 914,455.80 : x
  2. Step 2: Convert to fraction form
    1,295,998.20/1,943,997.30 = 914,455.80/x
  3. Step 3: Cross multiply
    1,295,998.20x = 1,943,997.30 × 914,455.80
  4. Step 4: Simplify right side
    1,295,998.20x = 1,777,699,606,169.34
  5. Step 5: Solve for x
    x = 1,777,699,606,169.34/1,295,998.20
  6. Step 6: Final answer
    x = 1,371,683.70

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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.