Home / 628,800.63-867,963.56-374,146.35

Finding the Fourth Proportional to 628,800.63, 867,963.56 and 374,146.35

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Solution

The fourth proportional to 628,800.63, 867,963.56 and 374,146.35 is: 516,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,800.63 : 867,963.56 = 374,146.35 : x
  2. Step 2: Convert to fraction form
    628,800.63/867,963.56 = 374,146.35/x
  3. Step 3: Cross multiply
    628,800.63x = 867,963.56 × 374,146.35
  4. Step 4: Simplify right side
    628,800.63x = 324,745,397,907.01
  5. Step 5: Solve for x
    x = 324,745,397,907.01/628,800.63
  6. Step 6: Final answer
    x = 516,452.09

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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.