Home / 694,472.70-1,041,783.78-221,047.35

Finding the Fourth Proportional to 694,472.70, 1,041,783.78 and 221,047.35

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Solution

The fourth proportional to 694,472.70, 1,041,783.78 and 221,047.35 is: 331,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,472.70 : 1,041,783.78 = 221,047.35 : x
  2. Step 2: Convert to fraction form
    694,472.70/1,041,783.78 = 221,047.35/x
  3. Step 3: Cross multiply
    694,472.70x = 1,041,783.78 × 221,047.35
  4. Step 4: Simplify right side
    694,472.70x = 230,283,543,841.98
  5. Step 5: Solve for x
    x = 230,283,543,841.98/694,472.70
  6. Step 6: Final answer
    x = 331,594.81

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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.