Home / 656,331.11-905,731.54-365,939.23

Finding the Fourth Proportional to 656,331.11, 905,731.54 and 365,939.23

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Solution

The fourth proportional to 656,331.11, 905,731.54 and 365,939.23 is: 504,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,331.11 : 905,731.54 = 365,939.23 : x
  2. Step 2: Convert to fraction form
    656,331.11/905,731.54 = 365,939.23/x
  3. Step 3: Cross multiply
    656,331.11x = 905,731.54 × 365,939.23
  4. Step 4: Simplify right side
    656,331.11x = 331,442,702,334.31
  5. Step 5: Solve for x
    x = 331,442,702,334.31/656,331.11
  6. Step 6: Final answer
    x = 504,993.13

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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.