Home / 886,922.72-1,223,951.28-484,517.60

Finding the Fourth Proportional to 886,922.72, 1,223,951.28 and 484,517.60

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Solution

The fourth proportional to 886,922.72, 1,223,951.28 and 484,517.60 is: 668,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,922.72 : 1,223,951.28 = 484,517.60 : x
  2. Step 2: Convert to fraction form
    886,922.72/1,223,951.28 = 484,517.60/x
  3. Step 3: Cross multiply
    886,922.72x = 1,223,951.28 × 484,517.60
  4. Step 4: Simplify right side
    886,922.72x = 593,025,936,702.53
  5. Step 5: Solve for x
    x = 593,025,936,702.53/886,922.72
  6. Step 6: Final answer
    x = 668,633.16

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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.