Home / 529,600.40-793,882.20-213,635.60

Finding the Fourth Proportional to 529,600.40, 793,882.20 and 213,635.60

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Solution

The fourth proportional to 529,600.40, 793,882.20 and 213,635.60 is: 320,244.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,600.40 : 793,882.20 = 213,635.60 : x
  2. Step 2: Convert to fraction form
    529,600.40/793,882.20 = 213,635.60/x
  3. Step 3: Cross multiply
    529,600.40x = 793,882.20 × 213,635.60
  4. Step 4: Simplify right side
    529,600.40x = 169,601,500,126.32
  5. Step 5: Solve for x
    x = 169,601,500,126.32/529,600.40
  6. Step 6: Final answer
    x = 320,244.28

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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.