Home / 651,579.41-899,185.55-361,194.11

Finding the Fourth Proportional to 651,579.41, 899,185.55 and 361,194.11

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Solution

The fourth proportional to 651,579.41, 899,185.55 and 361,194.11 is: 498,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,579.41 : 899,185.55 = 361,194.11 : x
  2. Step 2: Convert to fraction form
    651,579.41/899,185.55 = 361,194.11/x
  3. Step 3: Cross multiply
    651,579.41x = 899,185.55 × 361,194.11
  4. Step 4: Simplify right side
    651,579.41x = 324,780,518,155.21
  5. Step 5: Solve for x
    x = 324,780,518,155.21/651,579.41
  6. Step 6: Final answer
    x = 498,451.17

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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.