Home / 1,102,362.86-1,651,993.56-876,721.87

Finding the Fourth Proportional to 1,102,362.86, 1,651,993.56 and 876,721.87

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Solution

The fourth proportional to 1,102,362.86, 1,651,993.56 and 876,721.87 is: 1,313,849.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,362.86 : 1,651,993.56 = 876,721.87 : x
  2. Step 2: Convert to fraction form
    1,102,362.86/1,651,993.56 = 876,721.87/x
  3. Step 3: Cross multiply
    1,102,362.86x = 1,651,993.56 × 876,721.87
  4. Step 4: Simplify right side
    1,102,362.86x = 1,448,338,885,216.15
  5. Step 5: Solve for x
    x = 1,448,338,885,216.15/1,102,362.86
  6. Step 6: Final answer
    x = 1,313,849.49

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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.