Home / 762,769.84-1,144,161.68-194,151.60

Finding the Fourth Proportional to 762,769.84, 1,144,161.68 and 194,151.60

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Solution

The fourth proportional to 762,769.84, 1,144,161.68 and 194,151.60 is: 291,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,769.84 : 1,144,161.68 = 194,151.60 : x
  2. Step 2: Convert to fraction form
    762,769.84/1,144,161.68 = 194,151.60/x
  3. Step 3: Cross multiply
    762,769.84x = 1,144,161.68 × 194,151.60
  4. Step 4: Simplify right side
    762,769.84x = 222,140,820,830.69
  5. Step 5: Solve for x
    x = 222,140,820,830.69/762,769.84
  6. Step 6: Final answer
    x = 291,229.16

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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.