Home / 479,651.55-661,915.07-264,787.00

Finding the Fourth Proportional to 479,651.55, 661,915.07 and 264,787.00

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Solution

The fourth proportional to 479,651.55, 661,915.07 and 264,787.00 is: 365,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,651.55 : 661,915.07 = 264,787.00 : x
  2. Step 2: Convert to fraction form
    479,651.55/661,915.07 = 264,787.00/x
  3. Step 3: Cross multiply
    479,651.55x = 661,915.07 × 264,787.00
  4. Step 4: Simplify right side
    479,651.55x = 175,266,503,654.32
  5. Step 5: Solve for x
    x = 175,266,503,654.32/479,651.55
  6. Step 6: Final answer
    x = 365,403.81

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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.