Home / 694,887.24-1,042,109.40-221,461.86

Finding the Fourth Proportional to 694,887.24, 1,042,109.40 and 221,461.86

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Solution

The fourth proportional to 694,887.24, 1,042,109.40 and 221,461.86 is: 332,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,887.24 : 1,042,109.40 = 221,461.86 : x
  2. Step 2: Convert to fraction form
    694,887.24/1,042,109.40 = 221,461.86/x
  3. Step 3: Cross multiply
    694,887.24x = 1,042,109.40 × 221,461.86
  4. Step 4: Simplify right side
    694,887.24x = 230,787,486,047.48
  5. Step 5: Solve for x
    x = 230,787,486,047.48/694,887.24
  6. Step 6: Final answer
    x = 332,122.21

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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.