Home / 694,123.80-1,041,185.70-195,487.80

Finding the Fourth Proportional to 694,123.80, 1,041,185.70 and 195,487.80

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Solution

The fourth proportional to 694,123.80, 1,041,185.70 and 195,487.80 is: 293,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,123.80 : 1,041,185.70 = 195,487.80 : x
  2. Step 2: Convert to fraction form
    694,123.80/1,041,185.70 = 195,487.80/x
  3. Step 3: Cross multiply
    694,123.80x = 1,041,185.70 × 195,487.80
  4. Step 4: Simplify right side
    694,123.80x = 203,539,101,884.46
  5. Step 5: Solve for x
    x = 203,539,101,884.46/694,123.80
  6. Step 6: Final answer
    x = 293,231.70

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Double scale
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Similar ratio
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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.