Home / 876,838.92-1,315,296.66-277,844.23

Finding the Fourth Proportional to 876,838.92, 1,315,296.66 and 277,844.23

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Solution

The fourth proportional to 876,838.92, 1,315,296.66 and 277,844.23 is: 416,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,838.92 : 1,315,296.66 = 277,844.23 : x
  2. Step 2: Convert to fraction form
    876,838.92/1,315,296.66 = 277,844.23/x
  3. Step 3: Cross multiply
    876,838.92x = 1,315,296.66 × 277,844.23
  4. Step 4: Simplify right side
    876,838.92x = 365,447,580,662.45
  5. Step 5: Solve for x
    x = 365,447,580,662.45/876,838.92
  6. Step 6: Final answer
    x = 416,778.47

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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.