Home / 476,826.66-658,032.39-261,980.64

Finding the Fourth Proportional to 476,826.66, 658,032.39 and 261,980.64

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Solution

The fourth proportional to 476,826.66, 658,032.39 and 261,980.64 is: 361,539.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,826.66 : 658,032.39 = 261,980.64 : x
  2. Step 2: Convert to fraction form
    476,826.66/658,032.39 = 261,980.64/x
  3. Step 3: Cross multiply
    476,826.66x = 658,032.39 × 261,980.64
  4. Step 4: Simplify right side
    476,826.66x = 172,391,746,672.93
  5. Step 5: Solve for x
    x = 172,391,746,672.93/476,826.66
  6. Step 6: Final answer
    x = 361,539.66

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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.