Home / 456,822.60-685,331.10-141,311.40

Finding the Fourth Proportional to 456,822.60, 685,331.10 and 141,311.40

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Solution

The fourth proportional to 456,822.60, 685,331.10 and 141,311.40 is: 211,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,822.60 : 685,331.10 = 141,311.40 : x
  2. Step 2: Convert to fraction form
    456,822.60/685,331.10 = 141,311.40/x
  3. Step 3: Cross multiply
    456,822.60x = 685,331.10 × 141,311.40
  4. Step 4: Simplify right side
    456,822.60x = 96,845,097,204.54
  5. Step 5: Solve for x
    x = 96,845,097,204.54/456,822.60
  6. Step 6: Final answer
    x = 211,997.17

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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.