Home / 1,309,169.17-1,959,553.29-700,434.66

Finding the Fourth Proportional to 1,309,169.17, 1,959,553.29 and 700,434.66

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Solution

The fourth proportional to 1,309,169.17, 1,959,553.29 and 700,434.66 is: 1,048,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,169.17 : 1,959,553.29 = 700,434.66 : x
  2. Step 2: Convert to fraction form
    1,309,169.17/1,959,553.29 = 700,434.66/x
  3. Step 3: Cross multiply
    1,309,169.17x = 1,959,553.29 × 700,434.66
  4. Step 4: Simplify right side
    1,309,169.17x = 1,372,539,042,433.03
  5. Step 5: Solve for x
    x = 1,372,539,042,433.03/1,309,169.17
  6. Step 6: Final answer
    x = 1,048,404.65

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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.