Home / 694,712.16-1,042,085.88-189,277.20

Finding the Fourth Proportional to 694,712.16, 1,042,085.88 and 189,277.20

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Solution

The fourth proportional to 694,712.16, 1,042,085.88 and 189,277.20 is: 283,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,712.16 : 1,042,085.88 = 189,277.20 : x
  2. Step 2: Convert to fraction form
    694,712.16/1,042,085.88 = 189,277.20/x
  3. Step 3: Cross multiply
    694,712.16x = 1,042,085.88 × 189,277.20
  4. Step 4: Simplify right side
    694,712.16x = 197,243,097,525.94
  5. Step 5: Solve for x
    x = 197,243,097,525.94/694,712.16
  6. Step 6: Final answer
    x = 283,920.61

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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.