Home / 438,602.20-657,922.74-123,052.12

Finding the Fourth Proportional to 438,602.20, 657,922.74 and 123,052.12

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Solution

The fourth proportional to 438,602.20, 657,922.74 and 123,052.12 is: 184,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,602.20 : 657,922.74 = 123,052.12 : x
  2. Step 2: Convert to fraction form
    438,602.20/657,922.74 = 123,052.12/x
  3. Step 3: Cross multiply
    438,602.20x = 657,922.74 × 123,052.12
  4. Step 4: Simplify right side
    438,602.20x = 80,958,787,953.21
  5. Step 5: Solve for x
    x = 80,958,787,953.21/438,602.20
  6. Step 6: Final answer
    x = 184,583.63

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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.