Home / 1,416,721.80-1,955,121.75-804,863.43

Finding the Fourth Proportional to 1,416,721.80, 1,955,121.75 and 804,863.43

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Solution

The fourth proportional to 1,416,721.80, 1,955,121.75 and 804,863.43 is: 1,110,737.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,721.80 : 1,955,121.75 = 804,863.43 : x
  2. Step 2: Convert to fraction form
    1,416,721.80/1,955,121.75 = 804,863.43/x
  3. Step 3: Cross multiply
    1,416,721.80x = 1,955,121.75 × 804,863.43
  4. Step 4: Simplify right side
    1,416,721.80x = 1,573,605,997,772.60
  5. Step 5: Solve for x
    x = 1,573,605,997,772.60/1,416,721.80
  6. Step 6: Final answer
    x = 1,110,737.48

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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.