Home / 994,956.08-1,372,640.72-627,312.33

Finding the Fourth Proportional to 994,956.08, 1,372,640.72 and 627,312.33

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Solution

The fourth proportional to 994,956.08, 1,372,640.72 and 627,312.33 is: 865,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,956.08 : 1,372,640.72 = 627,312.33 : x
  2. Step 2: Convert to fraction form
    994,956.08/1,372,640.72 = 627,312.33/x
  3. Step 3: Cross multiply
    994,956.08x = 1,372,640.72 × 627,312.33
  4. Step 4: Simplify right side
    994,956.08x = 861,074,441,452.87
  5. Step 5: Solve for x
    x = 861,074,441,452.87/994,956.08
  6. Step 6: Final answer
    x = 865,439.65

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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.