Home / 1,212,400.99-1,673,687.25-702,917.47

Finding the Fourth Proportional to 1,212,400.99, 1,673,687.25 and 702,917.47

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Solution

The fourth proportional to 1,212,400.99, 1,673,687.25 and 702,917.47 is: 970,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,400.99 : 1,673,687.25 = 702,917.47 : x
  2. Step 2: Convert to fraction form
    1,212,400.99/1,673,687.25 = 702,917.47/x
  3. Step 3: Cross multiply
    1,212,400.99x = 1,673,687.25 × 702,917.47
  4. Step 4: Simplify right side
    1,212,400.99x = 1,176,464,007,341.26
  5. Step 5: Solve for x
    x = 1,176,464,007,341.26/1,212,400.99
  6. Step 6: Final answer
    x = 970,358.83

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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.