Home / 695,455.60-1,042,405.80-296,028.40

Finding the Fourth Proportional to 695,455.60, 1,042,405.80 and 296,028.40

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Solution

The fourth proportional to 695,455.60, 1,042,405.80 and 296,028.40 is: 443,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,455.60 : 1,042,405.80 = 296,028.40 : x
  2. Step 2: Convert to fraction form
    695,455.60/1,042,405.80 = 296,028.40/x
  3. Step 3: Cross multiply
    695,455.60x = 1,042,405.80 × 296,028.40
  4. Step 4: Simplify right side
    695,455.60x = 308,581,721,124.72
  5. Step 5: Solve for x
    x = 308,581,721,124.72/695,455.60
  6. Step 6: Final answer
    x = 443,711.61

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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.