Home / 651,996.41-899,741.64-361,561.11

Finding the Fourth Proportional to 651,996.41, 899,741.64 and 361,561.11

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Solution

The fourth proportional to 651,996.41, 899,741.64 and 361,561.11 is: 498,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,996.41 : 899,741.64 = 361,561.11 : x
  2. Step 2: Convert to fraction form
    651,996.41/899,741.64 = 361,561.11/x
  3. Step 3: Cross multiply
    651,996.41x = 899,741.64 × 361,561.11
  4. Step 4: Simplify right side
    651,996.41x = 325,311,582,019.66
  5. Step 5: Solve for x
    x = 325,311,582,019.66/651,996.41
  6. Step 6: Final answer
    x = 498,946.89

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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.