Home / 437,919.13-656,563.45-269,090.64

Finding the Fourth Proportional to 437,919.13, 656,563.45 and 269,090.64

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Solution

The fourth proportional to 437,919.13, 656,563.45 and 269,090.64 is: 403,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,919.13 : 656,563.45 = 269,090.64 : x
  2. Step 2: Convert to fraction form
    437,919.13/656,563.45 = 269,090.64/x
  3. Step 3: Cross multiply
    437,919.13x = 656,563.45 × 269,090.64
  4. Step 4: Simplify right side
    437,919.13x = 176,675,078,961.11
  5. Step 5: Solve for x
    x = 176,675,078,961.11/437,919.13
  6. Step 6: Final answer
    x = 403,442.25

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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.