Home / 769,021.29-1,153,695.50-263,446.58

Finding the Fourth Proportional to 769,021.29, 1,153,695.50 and 263,446.58

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Solution

The fourth proportional to 769,021.29, 1,153,695.50 and 263,446.58 is: 395,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,021.29 : 1,153,695.50 = 263,446.58 : x
  2. Step 2: Convert to fraction form
    769,021.29/1,153,695.50 = 263,446.58/x
  3. Step 3: Cross multiply
    769,021.29x = 1,153,695.50 × 263,446.58
  4. Step 4: Simplify right side
    769,021.29x = 303,937,131,383.67
  5. Step 5: Solve for x
    x = 303,937,131,383.67/769,021.29
  6. Step 6: Final answer
    x = 395,225.90

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1.5x scale

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.