Home / 443,945.70-665,918.55-194,627.70

Finding the Fourth Proportional to 443,945.70, 665,918.55 and 194,627.70

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Solution

The fourth proportional to 443,945.70, 665,918.55 and 194,627.70 is: 291,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,945.70 : 665,918.55 = 194,627.70 : x
  2. Step 2: Convert to fraction form
    443,945.70/665,918.55 = 194,627.70/x
  3. Step 3: Cross multiply
    443,945.70x = 665,918.55 × 194,627.70
  4. Step 4: Simplify right side
    443,945.70x = 129,606,195,773.84
  5. Step 5: Solve for x
    x = 129,606,195,773.84/443,945.70
  6. Step 6: Final answer
    x = 291,941.55

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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.