Home / 416,822.20-625,233.30-195,638.20

Finding the Fourth Proportional to 416,822.20, 625,233.30 and 195,638.20

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Solution

The fourth proportional to 416,822.20, 625,233.30 and 195,638.20 is: 293,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,822.20 : 625,233.30 = 195,638.20 : x
  2. Step 2: Convert to fraction form
    416,822.20/625,233.30 = 195,638.20/x
  3. Step 3: Cross multiply
    416,822.20x = 625,233.30 × 195,638.20
  4. Step 4: Simplify right side
    416,822.20x = 122,319,517,392.06
  5. Step 5: Solve for x
    x = 122,319,517,392.06/416,822.20
  6. Step 6: Final answer
    x = 293,457.30

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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.